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Fit - Semi-Slim</b>","size_system":"US","gender":"male","is_digital":"false","q_and_a":[{"a":"Exact chest and waist measurements for size 40 Regular are not listed, but the London fit uses a 7\" drop (chest-to-waist difference), meaning a size 40R jacket pairs with size 33 pants [4]. The jacket narrows at the waist with regular sleeves, but the specific taper amount is not published.","q":"For the London fit, what are the exact chest and waist measurements for size 40 Regular, and how much does the waist taper?"}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-clothing/suits/suit-separates/satiny-collar-tuxedo-jacket-wool-weave-by-marzotto-london-fit-semi-slim--16858-229692?colourId=0","deep_research":{"dimensions":{"london_fit_silhouette":{"title":"London fit: what it means for the silhouette","entries":{"roped_shoulder":"The London fit's structured, roped shoulder lends the jacket a classic British formality—the padded sleevehead creates a clean, crisp line that holds its shape all evening, distinguishing this tuxedo from the softer, more casual Italian shoulder and ensuring it reads as proper black-tie rather than stylized contemporary.","length_proportion":"The London cut typically runs longer than Italian or American equivalents—about 1 to 2 inches—to fully cover the seat, which in a tuxedo ensures the trouser waistband stays hidden and creates the uninterrupted vertical line that makes evening wear look stately rather than chopped."}},"marzotto_wool_properties":{"title":"Marzotto wool: feel, stretch, and durability","entries":{"wrinkle_resistance":"Marzotto's finishing processes enhance wool's natural crease recovery, meaning this jacket resists wrinkling even after prolonged sitting; for a tuxedo that must look sharp from cocktail hour through the last dance, this functional property reduces the need for mid-event touch-ups and keeps the silhouette crisp.","marzotto_mill_heritage":"Founded in 1836 and still operating from Valdagno, Italy, Marzotto is one of Europe's oldest wool mills, supplying fabrics to iconic tailoring houses; its inclusion here signals a fabric that meets professional tailoring standards for hand feel and longevity, giving the jacket a quality foundation that synthetic-blend tuxedos cannot match.","breathability_and_comfort":"Wool's inherent breathability is preserved in Marzotto's weave, allowing moisture vapor to escape and helping the wearer stay cool on a crowded dance floor; combined with the satiny lining, it balances luxury aesthetics with thermal regulation for evening-long comfort.","elastane_enhanced_stretch":"The stretch in this wool comes from a small blend of elastane, providing bidirectional give that lets the semi-slim London fit move with the body without binding—especially noticeable across the shoulders when reaching or dancing, and the elastane helps the fabric recover its shape after wear, reducing bagging at stress points."}},"le31_simons_brand_positioning":{"title":"Le 31 by Simons: house brand quality and value","entries":{"marzotto_wool_mill":"Founded in 1836 and now one of Italy's largest textile conglomerates, Marzotto supplies wool to luxury fashion houses including Armani and Hugo Boss — for a jacket at 495 CAD, this fabric represents a tangible upgrade from the unbranded or Asian-mill wools that dominate the segment.","european_manufacturing":"Produced in Europe rather than offshore, this jacket benefits from the region's entrenched tailoring infrastructure and workplace standards that exceed those in mass-market Asian manufacturing hubs; for the buyer, this means seamwork and lining finish that align with premium suiting, a quality level that other brands in this price range cannot reliably deliver because their lower production costs are tied to Asian factories.","city_based_fit_strategy":"Le 31 names its suit fits after fashion capitals — London, New York, Milan — to telegraph a silhouette's character at a glance; London denotes the sharpest, most form-defining cut, with a narrowed waist that creates a pronounced V-shape, making it the ideal choice for a tuxedo where a sleek, camera-ready line matters more than relaxed comfort.","stretch_wool_composition":"Marzotto's stretch-infused wool incorporates a small percentage of elastane to allow the jacket to flex at the shoulders and waist during movement, eliminating the stiff-arming feel of traditional worsted wool tuxedos and making it a far more comfortable choice for dancing, dining, and full evenings of wear.","simons_private_label_value":"Because Le 31 is owned and sold exclusively by Simons, the brand operates on a direct-to-consumer model within a department-store shell — the typical wholesale markup is eliminated, so the 495 CAD price reflects a cost structure where a larger share is spent on materials and construction than on licensing fees and distribution.","simons_heritage_and_house_brand_strategy":"Founded in 1840, Simons is one of Canada's oldest retailers and has spent the last decade building house brands like Le 31 to reduce reliance on third-party labels; this investment in private-label development means the brand can contract directly with mills like Marzotto and factories in Europe without the margin pressure of a third-party brand, giving this tuxedo a quality-to-price ratio that independent menswear shops find hard to match."}}}},"handle":"satiny-collar-tuxedo-jacket-wool-weave-by-marzotto-london-fit-semi-slim-16858-229692","storefront_path":"/en/men-clothing/suits/suit-separates/satiny-collar-tuxedo-jacket-wool-weave-by-marzotto-london-fit-semi-slim--16858-229692","storefront_url":"https://ai.simons.ca/en/men-clothing/suits/suit-separates/satiny-collar-tuxedo-jacket-wool-weave-by-marzotto-london-fit-semi-slim--16858-229692"}}