{"product":{"catalog_id":"551abbec-84df-4ab3-9e1e-facc1c32d54c","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"c6a8a2e5-567d-4d95-b48a-6c32e6796bc3","title":"Irving Structure Knit Shirt","description":"The Irving Structure Knit Shirt is a short-sleeve button-up knit shirt from Theory's spring/summer collection. It is made from a stretch jersey blend of cotton and stretch polyester, featuring a regular fit, tonal mother-of-pearl buttons, and small side vents. The shirt also includes a pointed collar, a straight hem with a center front slit, and a back yoke seam.","url":"https://www.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945?colourId=0","brand":"Theory","condition":"new","product_category":"men designer > shirts","material":"53% cotton, 47% polyester","age_group":"adult","image_url":"https://imagescdn.simons.ca/images/11628/1670945/1/A1_2.jpg","additional_image_urls":["https://imagescdn.simons.ca/images/11628/1670945/1/A2_2.jpg"],"images":[{"id":"img-1784702992984-0","url":"https://imagescdn.simons.ca/images/11628/1670945/1/A1_2.jpg","alt_text":"Irving structure knit shirt product image (primary)","position":1,"attributes":{"other":{"summary":"Studio shot cropped from mid-face to upper thighs; neutral light gray background with soft even lighting and minimal shadows; model's right arm is placed behind the back and left hand is visible at lower right of frame.","observations":[{"key":"Shot composition","kind":"feature","value":"Cropped view showing model from just below the nose to mid-thigh, centered on the torso and shirt front.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Even, light gray seamless background with no visible props or patterns.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Model pose","kind":"feature","value":"Model stands facing forward with a slight turn; right arm bent behind back and left arm relaxed at side with hand visible.","regions":[{"x":0.6,"y":0.58,"width":0.36,"height":0.4,"confidence":"high"}],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft, diffuse studio lighting producing gentle shadows around sleeve seams and under the chin, with subtle highlights on fabric folds.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"deep black","part":"shirt fabric","regions":[{"x":0.18,"y":0.18,"width":0.64,"height":0.56,"confidence":"high"},{"x":0.06,"y":0.2,"width":0.28,"height":0.28,"confidence":"high"}],"subject":"product","description":"Uniform deep black knit with a slight sheen and soft drape.","sampled_hex":"#0C0D0E","estimated_hex":"#0A0A0A"},{"name":"dark gray","part":"buttons","regions":[{"x":0.46,"y":0.2,"width":0.06,"height":0.54,"confidence":"high"}],"subject":"product","description":"Dark gray glossy round buttons running down the center front, slightly reflective compared with fabric.","sampled_hex":"#1B1C21","estimated_hex":"#464646"}],"product":{"summary":"Front view of a short-sleeve button-up knit shirt displayed on a model; smooth, slightly lustrous black fabric with a pointed collar, visible button placket, and straight hem with a short center front slit.","observations":[{"key":"Collar shape","kind":"feature","value":"Pointed spread collar with visible collar stand and moderate spread between points.","regions":[{"x":0.34,"y":0.06,"width":0.32,"height":0.14,"confidence":"high"}],"evidence_status":"direct"},{"key":"Sleeve length and cut","kind":"feature","value":"Short sleeves ending above the elbow with a straight hem and relaxed fit across the upper arm.","regions":[{"x":0.06,"y":0.2,"width":0.3,"height":0.3,"confidence":"high"},{"x":0.62,"y":0.2,"width":0.32,"height":0.3,"confidence":"high"}],"evidence_status":"direct"},{"key":"Button placket","kind":"feature","value":"Centered front button placket with a single column of round buttons running down the shirt front; buttons are slightly reflective and visibly distinct from fabric.","regions":[{"x":0.43,"y":0.18,"width":0.14,"height":0.6,"confidence":"high"}],"evidence_status":"direct"},{"key":"Hem detail","kind":"feature","value":"Straight shirt hem with a short centered front slit forming a small overlap where the placket meets the hem.","regions":[{"x":0.22,"y":0.66,"width":0.56,"height":0.18,"confidence":"high"}],"evidence_status":"direct"},{"key":"Fabric appearance","kind":"feature","value":"Smooth knit fabric with a slight sheen and soft drape; surface appears uniform with minimal visible texture.","regions":[{"x":0.2,"y":0.24,"width":0.6,"height":0.48,"confidence":"high"}],"evidence_status":"direct"},{"key":"Buttons material finish","kind":"feature","value":"Buttons appear dark and slightly glossy, contrasting subtly with the matte-to-sheeny knit surface.","regions":[{"x":0.46,"y":0.22,"width":0.08,"height":0.54,"confidence":"high"}],"evidence_status":"direct"},{"key":"Branding or text on product","kind":"feature","value":"No visible branding, logos, or printed text on the shirt surface in this view.","regions":[],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4539462","4539465","4539466","4539469","4539470","4539471","4539472"]},{"id":"img-1784702992984-1","url":"https://imagescdn.simons.ca/images/11628/1670945/1/A2_2.jpg","alt_text":"Irving structure knit shirt product image 2","position":2,"attributes":{"other":{"summary":"Studio product shot showing a model from the rear against a neutral light gray background with even soft lighting; model is cropped at the head and thighs.","observations":[{"key":"Background","kind":"feature","value":"Even light gray studio background without texture or props.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Model pose and crop","kind":"feature","value":"Male model standing with torso turned slightly to his left, head partially cropped at the top edge and hands visible at the lower right; pants are visible but not part of the product description.","regions":[{"x":0.18,"y":0,"width":0.64,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft, even studio lighting producing minimal shadows and neutral color rendering across the shirt surface.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"deep black","part":"shirt body","regions":[{"x":0.1,"y":0.1,"width":0.8,"height":0.75,"confidence":"high"}],"subject":"product","description":"Uniform deep black with a matte finish across the knit fabric under neutral studio lighting.","sampled_hex":"#0D0D0E","estimated_hex":"#0A0A0A"}],"product":{"summary":"Rear view of a short-sleeve black knit shirt on a model showing a straight hem, short sleeves, a folded collar, and a horizontal back yoke seam across the shoulders.","observations":[{"key":"Overall silhouette","kind":"feature","value":"Straight, boxy rear panel with a relaxed fit falling to a straight hem that rests near the model hip.","regions":[{"x":0.08,"y":0.14,"width":0.84,"height":0.72,"confidence":"high"}],"evidence_status":"direct"},{"key":"Collar","kind":"feature","value":"Folded shirt collar visible from the rear neck, low profile and matching shirt color.","regions":[{"x":0.33,"y":0.02,"width":0.34,"height":0.1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Back yoke seam","kind":"feature","value":"Horizontal seam or yoke line runs across the upper back at shoulder level.","regions":[{"x":0.1,"y":0.18,"width":0.8,"height":0.05,"confidence":"high"}],"evidence_status":"direct"},{"key":"Sleeve construction","kind":"feature","value":"Short sleeves with a simple single-fold hem and visible topstitching at the sleeve edge.","regions":[{"x":0.63,"y":0.26,"width":0.3,"height":0.26,"confidence":"high"},{"x":0.07,"y":0.3,"width":0.28,"height":0.26,"confidence":"high"}],"evidence_status":"direct"},{"key":"Hem detail","kind":"feature","value":"Straight bottom hem with visible topstitching; small side vent or slight overlap visible at the right side seam near the hem.","regions":[{"x":0.14,"y":0.78,"width":0.72,"height":0.14,"confidence":"high"},{"x":0.74,"y":0.82,"width":0.12,"height":0.1,"confidence":"medium"}],"evidence_status":"partial"},{"key":"Fabric appearance","kind":"feature","value":"Uniform smooth knit fabric with a matte finish and no visible pattern or texture at this scale.","regions":[{"x":0.2,"y":0.28,"width":0.6,"height":0.5,"confidence":"high"}],"evidence_status":"direct"},{"key":"Branding absence","kind":"feature","value":"No visible logos, printed text, or labels on the rear panel of the shirt.","regions":[],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4539462","4539465","4539466","4539469","4539470","4539471","4539472"]}],"price":"275 CAD","sale_price":"149.95 CAD","availability":"in_stock","listing_has_variations":"true","variants":[{"sku":"4539466","url":"https://www.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945?colourId=11","image":{"id":"img-variant-4539466","url":"https://imagescdn.simons.ca/images/11628/1670945/11/A1_2.jpg","alt_text":"Irving structure knit shirt - Off White - SMALL variant image","position":1,"variant_ids":["4539466"]},"price":{"value":275,"currency":"CAD"},"title":"Irving Structure Knit Shirt - Off White - Small","option1":"Off White","option2":"SMALL","image_url":"https://imagescdn.simons.ca/images/11628/1670945/11/A1_2.jpg","sale_price":{"value":149.95,"currency":"CAD"},"variant_id":"4539466","availability":"in_stock"},{"sku":"4539470","url":"https://www.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945?colourId=40","image":{"id":"img-variant-4539470","url":"https://imagescdn.simons.ca/images/11628/1670945/11/A1_2.jpg","alt_text":"Irving structure knit shirt - Blue - SMALL variant image","position":2,"variant_ids":["4539470"]},"price":{"value":275,"currency":"CAD"},"title":"Irving Structure Knit Shirt - Blue - Small","option1":"Blue","option2":"SMALL","image_url":"https://imagescdn.simons.ca/images/11628/1670945/40/A1_2.jpg","sale_price":{"value":149.95,"currency":"CAD"},"variant_id":"4539470","availability":"in_stock"},{"sku":"4539471","url":"https://www.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945?colourId=40","image":{"id":"img-variant-4539471","url":"https://imagescdn.simons.ca/images/11628/1670945/11/A1_2.jpg","alt_text":"Irving structure knit shirt - Blue - MEDIUM variant image","position":3,"variant_ids":["4539471"]},"price":{"value":275,"currency":"CAD"},"title":"Irving Structure Knit Shirt - Blue - Medium","option1":"Blue","option2":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/11628/1670945/40/A1_2.jpg","sale_price":{"value":149.95,"currency":"CAD"},"variant_id":"4539471","availability":"in_stock"}],"item_group_title":"Irving Structure Knit Shirt","size_system":"US","gender":"male","is_digital":"false","q_and_a":[{"a":"The stretch jersey fabric is 53% cotton and 47% polyester [1][2].","q":"What is the exact fiber composition percentage (cotton vs. polyester) of the stretch jersey fabric?"},{"a":"The shirt is machine washable — hand wash cold or machine wash cold on a gentle cycle, do not bleach or tumble dry, and cool iron if needed [1]. Dry cleaning is also acceptable with any solvent except trichloroethylene [2].","q":"How should this shirt be laundered—machine washable or dry clean only?"},{"a":"This shirt fits true to size — multiple sources confirm it is a regular/standard fit, and you should choose your normal size [1][2].","q":"Does this knit shirt fit true to size compared to other Theory regular-fit shirts, or should one size up or down?"},{"a":"The color is listed as 'Off White,' which typically indicates a soft white with a slight warm or cream undertone rather than a pure stark white. We recommend checking the product images on our site for the exact shade.","q":"Is the 'Off White' color a true white or does it have a warm/cream undertone?"},{"a":"The fabric is designed to retain its shape — it is an ultra-compact knit from a Japanese mill with inherent stretch and wrinkle-resistant construction for optimum shape retention throughout the day [1]. With proper care (cold wash, hang dry), it should resist pilling well.","q":"Will the stretch fabric retain its shape after repeated wear and washing, or is it prone to pilling?"}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945?colourId=0","deep_research":{"dimensions":{"mother_of_pearl_buttons":{"title":"The mother-of-pearl button detail","entries":{"tonal_off_white_integration":"Theory chose tonal mother-of-pearl buttons for the Off-White Irving, meaning the buttons blend into the shirt body rather than contrast — a deliberate design move that preserves the minimalist, streamlined silhouette and avoids breaking the clean visual line, a subtlety that becomes apparent only on close inspection.","durability_vs_resin_dissolution":"While plastic resin buttons can degrade and dissolve after repeated washes, mother-of-pearl buttons are naturally resistant to water damage — the Irving’s buttons may chip only under exceptionally harsh dry cleaning, making them the more durable long-term choice for a regularly worn shirt.","iridescent_depth_vs_plastic_resin":"Genuine mother-of-pearl, cut from the inner nacre layer of pearl oysters, delivers a subtle iridescence and depth of color that plastic resin buttons can't replicate — this gives the Irving’s tonal placket a quiet, organic shimmer rather than the flat off-white of synthetic alternatives.","bespoke_level_craftsmanship_signal":"In bespoke and custom shirting, original mother-of-pearl buttons are a recognized hallmark of luxury construction — their inclusion on the Irving Structure Knit Shirt signals that Theory treated the fastener detail as seriously as the fabric, aligning the shirt with the standards of made-to-measure houses.","natural_irregularity_as_authenticity_mark":"Unlike perfectly uniform plastic buttons, genuine mother-of-pearl exhibits slight natural irregularities in luster and pattern — a subtle variation that authenticates the material’s organic origin and gives the Irving’s placket a handcrafted, one-of-a-kind feel that plastic resin can't replicate."},"entry_quotes":{"tonal_off_white_integration":[{"url":"https://www.stylight.ca/Item/Theory/Mens-Irving-Structure-Knit-Shirt-White--e3dd44c2-615b-561b-96f3-aa0be4c1b6f7/","quote":"Tonal mother-of-pearl buttons"}],"durability_vs_resin_dissolution":[{"url":"https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/","quote":"These buttons can have a tendency to crack, but usually only do this with particularly brutal dry cleaners. They do not dissolve after repeated washes like resin plastic buttons can."}],"iridescent_depth_vs_plastic_resin":[{"url":"https://www.larimars.com/blogs/news/unleash-the-elegance-the-power-of-mother-of-pearl-buttons-on-your-custom-dress-shirt","quote":"Mother of pearl buttons, made from the inner layer of oyster shells, are known for their shimmering and iridescent quality."},{"url":"https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/","quote":"they have a little more depth of color than plastic resin buttons do."}],"bespoke_level_craftsmanship_signal":[{"url":"https://www.larimars.com/blogs/news/unleash-the-elegance-the-power-of-mother-of-pearl-buttons-on-your-custom-dress-shirt","quote":"In the realm of bespoke and custom-made shirts, the use of original mother of pearl buttons is a symbol of luxury and superior craftsmanship."}],"natural_irregularity_as_authenticity_mark":[{"url":"https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/","quote":"While they may not have the natural irregularities that make Mother of Pearl buttons so special, our Roma buttons do feature a unique, mottled finish and off-white hue to provide a similarly appealing, versatile look."}]},"entry_sources":{"tonal_off_white_integration":["https://www.stylight.ca/Item/Theory/Mens-Irving-Structure-Knit-Shirt-White--e3dd44c2-615b-561b-96f3-aa0be4c1b6f7/"],"durability_vs_resin_dissolution":["https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/"],"iridescent_depth_vs_plastic_resin":["https://www.larimars.com/blogs/news/unleash-the-elegance-the-power-of-mother-of-pearl-buttons-on-your-custom-dress-shirt","https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/"],"bespoke_level_craftsmanship_signal":["https://www.larimars.com/blogs/news/unleash-the-elegance-the-power-of-mother-of-pearl-buttons-on-your-custom-dress-shirt"],"natural_irregularity_as_authenticity_mark":["https://propercloth.com/reference/standard-buttons-vs-mother-of-pearl-buttons/"]}},"japanese_mill_provenance":{"title":"The Japanese mill behind the fabric","entries":{"theory_s_stretch_tailoring_dna":"Theory launched in 1997 with the mission of merging stretch into tailored clothing; the Irving Structure Knit Shirt continues that legacy through the Japanese mill’s ultra‑compact knit, delivering a short‑sleeve button‑down that performs like a polished woven but moves with the ease of a knit — a quiet execution of the brand’s founding principle in a warm‑weather essential.","ultra_compact_knit_construction":"The Irving's fabric is described as an 'ultra‑compact knit' — in Japanese circular‑knit parlance, this signals a high‑gauge jersey produced on fine‑needle machines that pack more stitches per inch than standard T‑shirt knits, yielding a dense, smooth hand that resists wrinkling and holds a structured silhouette akin to a woven fabric; Wakayama mills like Kanemasa Meriyasu run 46‑gauge machines to achieve precisely this woven‑like character from a knit.","inherent_stretch_without_elastane":"The fabric’s 53% cotton / 47% polyester composition contains no spandex, yet delivers ‘inherent stretch’ — a property typically engineered through knit construction and the mechanical crimp of textured polyester yarns, which provides comfortable give without the long‑term sagging or degradation that elastane‑based stretch can suffer, ensuring the shirt holds its shape and recovery across wears."},"entry_quotes":{"theory_s_stretch_tailoring_dna":[{"url":"https://en.bloomingdales.com.kw/theory-irving-short-sleeve-shirt-in-structure-knit-CLO218490901xWhite.html","quote":"Theory revolutionized contemporary fashion with the groundbreaking concept of incorporating stretch fabrics into tailored clothing, redefining the way we dress and live."}],"ultra_compact_knit_construction":[{"url":"https://www.modapittsburgh.com/shop/p/theory-irving-short-sleeve-shirt-in-structure-knit","quote":"this version is cut from an ultra-compact knit with inherent stretch from one of Japan’s finest mills"},{"url":"https://artisan.zozo.com/en/articles/kanemasa","quote":"Kanemasa Meriyasu utilizes ultra-high-density machines of up to 46-gauge—virtually unparalleled anywhere in the world. With 46 needles packed into a single inch (approx. 2.5 cm), these machines demand exceptionally delicate adjustments and maintenance"}],"inherent_stretch_without_elastane":[{"url":"https://en.bloomingdales.com.kw/theory-irving-short-sleeve-shirt-in-structure-knit-CLO218490901xWhite.html","quote":"Material Composition: 53% Cotton, 47% Polyester"},{"url":"https://novaknitting.com/dty-knit-fabric/","quote":"DTY (Draw Textured Yarn) knit fabric is a material made from polyester or nylon yarn that has been crimped to create bulk, softness, and stretch."}]},"entry_sources":{"theory_s_stretch_tailoring_dna":["https://en.bloomingdales.com.kw/theory-irving-short-sleeve-shirt-in-structure-knit-CLO218490901xWhite.html"],"ultra_compact_knit_construction":["https://www.modapittsburgh.com/shop/p/theory-irving-short-sleeve-shirt-in-structure-knit","https://artisan.zozo.com/en/articles/kanemasa"],"inherent_stretch_without_elastane":["https://en.bloomingdales.com.kw/theory-irving-short-sleeve-shirt-in-structure-knit-CLO218490901xWhite.html","https://novaknitting.com/dty-knit-fabric/"]}},"structure_knit_fabric_tech":{"title":"What structure knit actually means","entries":{"compact_jersey_gauge":"Knitted at a very fine gauge to achieve an ultra-compact construction, the jersey has an exceptionally smooth face and a dense, low-drape hand, which explains why the shirt holds a tailored silhouette and shrugs off creases through a long office day.","cotton_polyester_synergy":"The near-even cotton-to-polyester blend mates cotton's breathability and soft, natural hand with polyester's wrinkle resistance and dimensional stability — the result is a shirt that can be cold-machine-washed and hang-dried into a polished, no-iron state."}},"competitive_alternatives_value":{"title":"How it compares to similar knit shirts","entries":{"45_5_markdown_value_dislocation":"At $149.95 CAD sale — a 45.5% markdown from its $275 CAD full retail — the Irving delivers a Japanese-milled, shape-retaining knit with genuine mother-of-pearl buttons at a cost that undercuts most premium mass-market knit shirts, which typically cannot match the fabric provenance or trim level at this price point."}}}},"handle":"irving-structure-knit-shirt-11628-1670945","storefront_path":"/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945","storefront_url":"https://ai.simons.ca/en/men-designer/shirts/irving-structure-knit-shirt--11628-1670945"}}