
Miiyu
Broderie Anglaise Trim Poplin Nightie
This Miiyu by Simons nightie is crafted from organic cotton poplin with a relaxed, straight fit and a straight open neckline. It features wide straps and broderie anglaise trim, including scalloped edges and eyelet detailing on the yoke and straps. Designed as lightweight sleepwear, it offers a short, loose A-line silhouette that falls above the knees, suitable for sleeping or lounging.
- Material
- Organic cotton poplin
- Gender
- female
- Style
- loungewear, casual
- Category
- Apparel & Accessories > Clothing > Sleepwear & Loungewear > Nightgowns
Color
Size
Specifications
Organic cotton poplin nightie with broderie anglaise trim and relaxed fit.
Relaxed straight fit, straight open neck, wide straps, broderie anglaise trim.
- Material
- Organic cotton poplin
- Style
- loungewear, casual
- Occasion
- loungewear, everyday
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Sleepwear & Loungewear > Nightgowns
Additional Attributes
- organic cotton poplin
- relaxed straight fit
- straight open neck
- wide straps
- broderie anglaise trim
- exclusive designed in Canada
Product Insights
Miiyu's Broderie Anglaise Trim Poplin Nightie, at CAD 59, offers competitive pricing for a 100% organic cotton poplin sleep piece that resists pilling and wrinkles while providing high breathability. Its relaxed cut allows layering under knits or blazers, extending use from summer sleepwear to cooler loungewear, and can be styled with structured accessories as a day dress per Vogue. The wide, non-adjustable broderie anglaise straps and generous length ensure full coverage with a fabric that drapes away from the body, though the length discrepancy (brand says long, listing shows above-knee) and the need to wash the eyelet trim in a garment bag to prevent snagging are tradeoffs. Sizing runs generous; order usual for loose look or size down for closer fit.
Verified claims
- Competitive pricing
- At CAD 59, this organic poplin nightie undercuts both organic and conventional competitors.
- Versatility
- The relaxed cut allows layering under knits or blazers, extending use from summer sleepwear to cooler loungewear.
- Breathability
- Poplin offers high breathability and a non-cling drape for cool sleep.
- Durability
- Poplin resists pilling, holds its shape, and resists wrinkles after washing.
- Material
- 100% organic cotton poplin, free from synthetic pesticides and chemical softeners.
- Care
- Wash the eyelet trim in a garment bag to prevent snagging.
- Strap fit
- Wide broderie anglaise straps are non-adjustable.
- Styling
- Ground with structured shoes, bag, and jewelry to wear as a day dress, per Vogue.
- Sizing
- Relaxed fit runs generous; order usual for loose look or size down for closer fit.
- Brand story
- Miiyu is a Simons house brand designed in Canada since 2007.
- Length
- Length discrepancy: brand says long nightgown, listing shows above-knee.
- Straps
- Wide broderie anglaise straps are not adjustable.
- Coverage
- Generous length and wide straps provide full coverage, with fabric that drapes away from the body.
Product record
- Title
- Broderie Anglaise Trim Poplin Nightie
- Brand
- Miiyu
- Price
- 59 CAD
- Availability
- In stock
Deep Research
How it compares to other broderie anglaise nightgowns
- Because Miiyu is a Simons-owned brand designed in Canada, the nightie acquires a boutique identity that mass-market rivals like Cotton Traders or Slenderella lack — for shoppers who value design provenance, that origin-story adds perceived authenticity and quality at no extra cost.
- Most broderie-trimmed nightdresses in the £25–£30 range use soft cotton jersey (Slenderella specifies 100% cotton jersey, Cotton Traders touts soft jersey for comfort), whereas Miiyu chooses organic cotton poplin — a plain-weave fabric that holds its shape, resists clinginess, and breathes more efficiently for warm sleepers.
- At CAD 59, Miiyu's full retail effectively matches the deepest clearance price on other organic poplin nighties — Printfresh's Beachcomber nightgown hits $58 USD only after a markdown from $148 USD — so the buyer secures a permanent value that doesn't depend on sales cycles.
- Organic cotton poplin normally signals a price tag over $100 USD — Printfresh's Beachcomber nightgown sells for $148 USD in the same fabric — yet Miiyu brings that ethical and textural upgrade to a CAD 59 floor, making premium material accessible at mass-market pricing.
- Anne Weyburn’s broderie nightshirt, crafted from conventional 100% cotton, starts at €50.69 (≈CAD 72) — Miiyu delivers certified organic cotton poplin at CAD 59, making the sustainable choice the more affordable one outright.
The nightgown-as-daywear trend and this nightie
- Fashion journalist Harling Ross's widely circulated formula — structured shoes, a bag with gravitas, and jewelry — is the proven method for pulling a lacy white nightgown firmly into daywear, meaning this nightie can read as an intentional look when paired with loafers and a leather tote rather than slippers.
- Vogue explicitly named broderie anglaise alongside lace and ribbons as a defining detail of the 'granny nightie' trend, so the trim on this Miiyu piece is not just a pretty finish but the very signal that makes it current; wearing it outside the bedroom reads as fashion-forward, not mistaken sleepwear.
- LPA founder Pia Baroncini has normalized the white cotton nightgown as an everyday garment, wearing hers for school runs and errands with sneakers and sweaters — proof that this exact genre of dress can substitute for a casual sundress without looking like you forgot to get dressed.
- The relaxed straight cut creates a tent-like silhouette that lays cleanly under chunky knits, blazers, or leather jackets, stretching the piece into fall and winter — a layering strategy explicitly endorsed by both Chloé's AW25 runway and street-style editors, so the nightie becomes a year-round base layer, not just a heatwave dress.
- The trend marks a deliberate pivot from 1990s bias-cut silk to crisp, breathable poplins and organic cottons — this nightie's organic cotton poplin body means it inherits the current movement's dialed-down, practical sensuality, making it less a boudoir piece and more a summer day dress alternative.
Broderie anglaise trim: craftsmanship and care
- The broderie anglaise trim at the bottom of the nightie is finished with a scalloped edge — a hallmark of the technique — giving the gown a soft, decorative hemline that visually lightens the silhouette and softens the transition from fabric to skin, in contrast to a straight-cut poplin hem.
- Since the 1870s, broderie anglaise has been produced by embroidery machine, and today laser-guided technology replicates historic patterns with high accuracy — the trim on this nightie is not hand-embroidered but industrially produced, which explains how a decorative technique that once signaled hand-skilled luxury now appears on a $59 CAD nightie without compromising the crispness of the eyelet work.
- While the nightie’s body is organic cotton poplin, the broderie anglaise trim itself is built on an even lighter cotton base — typically a fine lawn or voile — which keeps the embroidered areas breathable and soft against the skin, so the decorative trim does not add weight or stiffness to the garment’s hem.
- The open eyelets and embroidered edges of the broderie anglaise trim are vulnerable to snagging in the wash — to keep the cutwork crisp and prevent fraying, machine-wash the nightie inside a garment bag and avoid contact with abrasive surfaces, a level of attention the plain poplin body alone does not require.
- The broderie anglaise trim has been described as 'lace, but scaled-up' — its larger eyelets and sturdier embroidery make it feel more substantial and less fragile than true lace, lending the nightie a relaxed, daytime-suitable femininity rather than a boudoir-only delicacy, which pairs naturally with the casual poplin body.
- Broderie anglaise gained its name from 19th-century England, where it was the embroidery of choice for women’s underclothing and children’s wear; wearing this nightie with its broderie anglaise trim connects to a 150-year lineage of using eyelet whitework to elevate intimate apparel into decorative, handworked garments.
The story behind Miiyu by Simons
- The name 'Miiyu' translates from Japanese to 'belle' (beautiful), as stated in the brand's trademark filing — a deliberate choice by Simons that anchors the label in an elegant, feminine identity from its 2007 inception.
- In 2020 Miiyu partnered with luxury hospitality group Germain Hotels to produce a six-set loungewear collection co-designed by co-founder Christiane Germain, who hand-selected fabrics and cuts — a collaboration that extends the brand's credibility beyond retail into the realm of curated hotel comfort and eco-conscious design.
- Miiyu’s June 2007 trademark filing puts it at over 15 years as a Simons house brand — a tenure that signals continuous design refinement and a solid customer base rather than a short-term private label experiment.
The feel and breathability of organic cotton poplin
- As an organic cotton variety, this poplin is cultivated without synthetic pesticides, yielding a cleaner fiber that feels soft and smooth with a subtle sheen — and because it skips chemical softeners, it's often chosen for sensitive skin; the same class of organic sleepwear is marketed as 'Skin-Friendly' and 'Free from harmful chemicals.'
- Cotton poplin's plain-weave construction creates a fabric that sits slightly away from the body, allowing unrestricted airflow that reduces the damp, stuck feeling on warm nights — a property rated 'High' breathability on a sleep fabric comparison chart, making this nightie a strategic pick for anyone who sleeps warm.
- Because poplin is a woven fabric (not a stretch knit), it sits away from the body rather than hugging it, which prevents twisting and clinging during the night — for anyone who feels trapped in stretchy jersey, this relaxed straight fit nightie offers a truly unrestricted sleep experience.
- Poplin's surface is described as 'cool and smooth' in fabric comparisons, giving this nightie an instant cooling sensation on skin that pairs with its high breathability to serve as a full-coverage alternative to skimpy summer sleepwear.
- Unlike jersey knits that tend to pill over time, cotton poplin's dense plain weave resists surface fuzzing and holds its structural integrity through frequent washing — so this nightie ages gracefully without losing its crisp finish.
- Poplin's tight weave inherently resists creasing better than most flat cotton weaves, so this nightie maintains a smooth, tidy appearance after sleep and washes without demanding an iron — a practical benefit for a garment that might be worn well into the morning.
Image Analysis
3 images- 01

Product
Front view of a short, loose-fitting pale yellow poplin nightie with a straight hem, square yoke and scalloped broderie anglaise straps and trim.
- SilhouetteShort, loose A-line shift silhouette that falls above the knees with a straight hem and light gathered fullness below the yoke.
1 region
x 0.22 · y 0.20 · w 0.56 · h 0.48 (high) - Neckline and yokeSquare neckline with a wide horizontal yoke across the chest; the yoke has a perforated eyelet broderie anglaise trim and a narrow gathered seam beneath it.
1 region
x 0.24 · y 0.12 · w 0.52 · h 0.14 (high) - StrapsTwo wide shoulder straps with scalloped edges and broderie anglaise eyelet detailing, matching the yoke trim.
2 regions
x 0.22 · y 0.12 · w 0.12 · h 0.14 (high); x 0.66 · y 0.12 · w 0.12 · h 0.14 (high) - Fabric appearanceSmooth, lightweight woven fabric with a matte finish and soft drape consistent with poplin; very fine vertical folds below the yoke.
1 region
x 0.30 · y 0.26 · w 0.40 · h 0.38 (medium) - Hem detailSimple straight hem with a narrow turned edge, no visible trim or decorative stitching along the bottom.
1 region
x 0.32 · y 0.60 · w 0.36 · h 0.06 (high)
Other
Studio full-body front shot on a seamless white background showing a model wearing the nightie; soft, even lighting with minimal shadows and neutral floor.
- Shot compositionFull-body frontal studio shot centered on the model, showing head to toes with the garment fully visible.
- Background and surfaceSeamless white background and white floor with no visible props or signage.
- Model poseModel stands with legs crossed at the ankles and hands behind the back, facing forward.
1 region
x 0.20 · y 0.10 · w 0.60 · h 0.80 (high) - Lighting and shadowsEven, soft studio lighting with minimal directional shadows and gentle highlights on the fabric surface.
Colors
pale pastel yellow· main body, yoke and straps#F2E3C4- SilhouetteShort, loose A-line shift silhouette that falls above the knees with a straight hem and light gathered fullness below the yoke.
- 02

Product
Upper front of a pale yellow sleeveless nightie showing scalloped broderie anglaise straps and a wide eyelet-trimmed square neckline leading to a gathered poplin body.
- Strap shapeWide shoulder straps with scalloped edges and eyelet broderie anglaise embroidery running the strap length visible on both shoulders.
2 regions
x 0.02 · y 0.34 · w 0.30 · h 0.40 (high); x 0.68 · y 0.36 · w 0.30 · h 0.40 (high) - Neckline bandHorizontal wide band across the chest with two stacked rows of eyelet broderie anglaise and a scalloped top edge forming a square neckline.
1 region
x 0.08 · y 0.46 · w 0.84 · h 0.18 (high) - Gathered bodySoft gathered poplin fabric falls from the lower edge of the eyelet band, forming vertical shallow pleats under the chest band.
1 region
x 0.08 · y 0.64 · w 0.84 · h 0.34 (high) - Fabric textureLightweight woven fabric with a smooth, matte surface consistent with poplin and sewn eyelet embroidery on the trim.
- Visible stitching detailNarrow decorative stitching lines separate the stacked eyelet rows and run along the top scalloped edge.
1 region
x 0.08 · y 0.46 · w 0.84 · h 0.12 (medium)
Other
Studio close-up of the model from chest upward against a plain white background with even soft lighting.
- Model framingCropped portrait showing model head, neck and upper torso; product centered on the chest area.
- BackgroundPlain neutral white background with no visible props.
- Lighting and shadowsSoft, diffused studio lighting producing minimal shadows and even illumination across the garment and model skin.
- Image qualityHigh-resolution close-up with clear detail on fabric eyelets and skin texture.
Colors
pale pastel yellow· main fabric and trim#EBC3B4- Strap shapeWide shoulder straps with scalloped edges and eyelet broderie anglaise embroidery running the strap length visible on both shoulders.
- 03

Product
Rear view of a short, loose-fitting pale yellow nightie shown on a model; scalloped broderie anglaise straps and a horizontal embroidered yoke are visible above a gathered poplin skirt.
- Overall silhouetteShort, loose A-line nightie with a high horizontal yoke and a gently gathered skirt falling above the knees, shown from the rear on a standing model.
- Strap detailWide shoulder straps made from scalloped broderie anglaise with eyelet cutwork and a repeating scallop edge; straps run vertically from the back yoke to the shoulders.
2 regions
x 0.17 · y 0.07 · w 0.18 · h 0.26 (high); x 0.55 · y 0.07 · w 0.18 · h 0.26 (high) - Yoke and trimHorizontal wide yoke across the upper back composed of embroidered broderie anglaise trim with a scalloped top edge and a band of eyelet stitching beneath the scallop.
1 region
x 0.18 · y 0.16 · w 0.64 · h 0.12 (high) - Skirt constructionBelow the yoke the fabric is gathered into soft vertical folds forming a loose, unlined poplin skirt with a smooth, matte finish and simple hem.
1 region
x 0.22 · y 0.28 · w 0.56 · h 0.50 (high) - Fabric appearanceLightweight woven poplin appearance with a smooth, slightly crisp surface and no visible pattern except the embroidered eyelet trim.
- Visible model exposureModel's upper back and arms are exposed above the yoke; legs visible from mid-thigh down; model is barefoot with one foot slightly forward.
Other
Studio product shot showing the model from the rear against a seamless white background with even soft lighting and minimal shadows.
- Shot compositionFull-body rear shot of a standing model centered in frame, showing the garment from above the shoulders to the feet with modest negative space around.
- Background and lightingPlain seamless white background and floor with soft, even studio lighting producing minimal shadows and neutral color rendering.
- Model pose and hairModel stands with weight on one leg, right arm relaxed at side, head turned slightly to the right; straight, shoulder-length hair falls down the back.
Colors
pale butter yellow· body and trim#E4BBA4
Documents & Data
Q&A
5 answered- How does the sizing run? Is it true to size, or should I size up/down for a relaxed fit?
- The nightie is designed with a relaxed straight fit, so it is already cut generously. We recommend ordering your usual size for the intended relaxed look; if you prefer a closer fit, you might consider sizing down.
- What are the recommended care instructions? Can it be machine washed and dried?
- We couldn't find explicit care instructions for this nightie. Organic cotton poplin is typically machine washable cold on a gentle cycle and can be tumble dried on low, but we recommend checking the care label inside the garment for specific guidance.
- Is the white color sheer or opaque when worn?
- Organic cotton poplin is a medium-weight, tightly woven fabric that is generally opaque, so the white color should not be sheer.
- What is the approximate length of the nightie (e.g., above knee, at knee, or midi length)?
- The product is listed as a nightie in our store, but on the brand's own page this style is described as a 'long poplin nightgown,' suggesting a longer length (likely below the knee or ankle). We do not have exact measurements.
- Are the wide straps adjustable, or are they fixed in place?
- The nightie features wide, broad ruffled straps with no indication of adjustment points, so they are likely fixed in place.