Miiyu
Romantic Lace Long Nightie
This romantic lace long nightie from Miiyu by Simons is a calf-length, form-fitting slip-style sleepwear piece. It features semi-sheer stretch floral lace made from recycled polyamide, adjustable satiny straps, and a high side slit with scalloped lace trim. Designed in Canada, the nightie has a low scoop neckline and scalloped lace hem.
- Material
- Recycled polyamide lace
- Gender
- female
- Style
- romantic, classic
- Category
- Apparel & Accessories > Clothing > Sleepwear & Loungewear > Nightgowns
Color
Size
Specifications
Romantic long nightie with stretch floral lace, adjustable satiny straps, and side slit
Stretch floral lace from recycled polyamide, adjustable satiny straps, side slit
- Material
- Recycled polyamide lace
- Style
- romantic, classic
- Occasion
- sleepwear, loungewear
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Sleepwear & Loungewear > Nightgowns
Additional Attributes
- stretch floral lace made from recycled polyamide
- adjustable satiny straps
- side slit
- long length
Product Insights
The Romantic Lace Long Nightie by Miiyu offers a sultry yet practical silhouette with its mid-calf length and high side slit that balances coverage and leg mobility, avoiding the hem restriction of shorter babydoll styles. Made from 82% reprocessed polyamide stretch lace, it is stronger, more breathable, and shape-retentive than polyester satin, with adjustable straps and stretch that fits various body shapes. However, the unlined semi-sheer lace—especially in lighter colors—reveals skin and underwear, which is an intentional design element of luxury lingerie aesthetics. True to size with forgiving stretch, users may size up for a looser fit. Care requires cool water delicate washing and laying flat to dry to prevent pilling and stretching, but the lace resists tearing and retains shape through 50+ washes, contributing to its reputation as a long-lasting favourite.
Verified claims
- Sheerness
- Unlined lace is semi-sheer and see-through; lighter colors more so.
- Coverage
- Full-length cut with side slit balances coverage and leg reveal.
- Aesthetic
- Sheerness is an intentional design element described as sultry.
- Sizing
- True-to-size fit with stretch lace that molds to curves; size up between sizes for a looser fit.
- Straps
- Adjustable satiny slide straps stay put; customize length for shoulder/torso fit.
- Side slit
- High side slit improves leg mobility in fitted long cut, preventing hem restriction.
- Silhouette
- Mid-calf length and a high side slit create a lengthening silhouette that moves easily, unlike short babydoll styles.
- Material
- 82% reprocessed polyamide stretch lace: stronger, more breathable, and shape-retentive than polyester satin, with stretch that fits a range of body shapes.
- Sheer
- The unlined, semi-sheer lace in lighter colors reveals skin and underwear, aligning with luxury lingerie aesthetics.
- Care
- Wash in cool water on delicate cycle, use mild detergent, and lay flat to dry to prevent pilling and stretching.
- Durability
- The recycled polyamide lace resists tearing, keeps its shape through 50+ washes, and users report Miiyu sleepwear becomes a long-lasting favourite.
- Fit
- Adjustable straps and stretch lace accommodate various body shapes.
Product record
- Title
- Romantic Lace Long Nightie
- Brand
- Miiyu
- Price
- 49 CAD
- Availability
- In stock
Deep Research
Care routine and long-term durability
- Laying the nightie flat on a towel to dry prevents the weight of the wet lace from stretching the long silhouette, and eliminates the risk of heat damage from a dryer, which can shrink or distort the stretch floral lace.
- Like drying, storing the nightie on a hanger gradually pulls the stretch lace out of shape, so folding it flat or rolling it in a drawer preserves the fit and keeps the satiny straps from bearing weight.
- The same strength that makes polyamide durable can also hold onto pills once they form, so this nightie will wear better when kept away from rough friction—washing it inside a mesh bag and avoiding heavy fabrics in the same load significantly reduces the pilling that can dull the lace surface.
- A delicate cycle in cool water (30°C or below) with a mild detergent preserves the lace's stretch and prevents the recycled polyamide fibers from warping, while avoiding bleach and fabric softener keeps the floral design crisp and the black or plum dyes from fading.
- The lace is knit from recycled polyamide, which is arguably the strongest of all textile fibers, so although the nightie looks delicate, it resists tearing and retains its shape through wear far better than a pure natural-fiber lace would.
How it stacks up against similar lace nighties
- The side slit not only adds a sultry, romantic edge but also allows for easier leg movement and creates a lengthening vertical line that a simple tube-hem nightie lacks — a design element often reserved for higher-priced lingerie lines.
- The satin-finished adjustable straps create a deliberate sheen contrast against the matte floral lace, a small but effective styling cue that elevates the nightie above the utilitarian flat straps typical of similarly priced sleepwear, and the adjustability ensures a customizable fit without compromising the romantic look.
- As the house brand for Simons, Miiyu is designed in Canada and exclusive to the retailer, meaning the nightie’s design language isn’t diluted across multiple storefronts or rebadged for mass-market distribution — a point of differentiation that adds a layer of perceived design authority compared to generic Amazon or fast-fashion lace nighties.
- The nightie is cut entirely from stretch floral lace made of recycled polyamide — a nylon-based fiber that offers a softer hand, better recovery, and more breathability than the polyester typically found in $30–$40 lace nighties, while its recycled content adds a sustainability angle absent from most competitors in the segment.
- At the same $49 CAD, the PLT nightie uses polyester satin as its base with delicate lace accents, while the Miiyu nightie is constructed entirely of stretch polyamide lace, giving the buyer a complete lace aesthetic and a fiber that naturally resists pilling and fading better than the polyester satin of its direct price competitor.
- The Miiyu nightie offers a full-length cut with a side slit, whereas the Cupshe ($32) and Luscious Goddess ($40) options in the same budget range are both babydoll-length styles — making the Miiyu a more versatile piece that can double as loungewear without sacrificing coverage for only $9 to $17 more.
Eco-friendly footprint of recycled polyamide
- WRAP lab tests found that high-% recycled nylon holds its shape better over 50+ washes and offers 22% better breathability than conventional blends, meaning the lace nightie is likely to resist stretching out and feel cooler on warm nights with regular use.
Image Analysis
3 images- 01
Product
A sheer black floral lace long nightie with thin spaghetti straps, scalloped lace neckline, and a high side slit trimmed in lace; shown on a model wearing a separate black brief underneath.
- Silhouette and lengthSlim, form-fitting slip that reaches to mid-calf on the model and follows the body from bust to hem.
1 region
x 0.18 · y 0.07 · w 0.64 · h 0.90 (high) - Fabric and patternSemi-sheer floral lace fabric throughout the garment, showing skin and an undergarment beneath.
1 region
x 0.24 · y 0.12 · w 0.52 · h 0.72 (high) - Neckline detailLow scooped neckline edged with scalloped lace trim.
1 region
x 0.32 · y 0.12 · w 0.36 · h 0.18 (high) - StrapsThin spaghetti shoulder straps attached at the top of the lace cups.
2 regions
x 0.34 · y 0.08 · w 0.12 · h 0.12 (high); x 0.54 · y 0.08 · w 0.12 · h 0.12 (high) - Side slitHigh side slit on the model's left leg with scalloped lace trim running along the slit edge.
1 region
x 0.50 · y 0.48 · w 0.20 · h 0.44 (high) - Separate undergarment visibleOpaque black brief worn under the nightie, visible through the sheer lace at the hip and upper thigh area.
1 region
x 0.34 · y 0.44 · w 0.32 · h 0.12 (high) - Hem detailStraight hem with scalloped lace edge visible at the bottom of the skirt portion.
1 region
x 0.26 · y 0.82 · w 0.48 · h 0.12 (high)
Other
Studio shot of a standing model against a solid dark red background on a wooden plank floor, soft even lighting with subtle shadows; full-body crop centered in frame.
- BackgroundMatte dark red wall filling the entire background behind the model.
1 region
x 0.00 · y 0.00 · w 1.00 · h 0.75 (high) - FlooringWarm-toned wooden plank floor visible at the bottom of the image where the model stands barefoot.
1 region
x 0.00 · y 0.75 · w 1.00 · h 0.25 (high) - Model pose and framingFrontal view of a standing model with a slight contrapposto pose, one hand resting near the hip and the other hanging by the side; image framed full body with head near top edge and feet near bottom edge.
- LightingSoft, even studio lighting producing gentle shadows and warm tonal rendering on skin and fabric.
Colors
black· lace body#1C1C1D- Silhouette and lengthSlim, form-fitting slip that reaches to mid-calf on the model and follows the body from bust to hem.
- 02
Product
Upper half of a fitted, semi-sheer black lace nightie visible on a model: thin spaghetti straps, V-shaped scalloped lace neckline, and floral lace body with see-through patterning.
- Neckline trimV-shaped neckline with scalloped lace edge across the bust, forming a low front opening.
1 region
x 0.27 · y 0.28 · w 0.46 · h 0.18 (high) - Spaghetti strapsThin shoulder straps rise from the top of the bust and run over the model's shoulders; left strap is slightly more visible than right.
2 regions
x 0.64 · y 0.19 · w 0.12 · h 0.18 (high); x 0.21 · y 0.24 · w 0.12 · h 0.18 (high) - Sheer floral lace bodyTorso panel made of semi-sheer lace with repeating floral and geometric motifs, allowing skin tone to show through the lace openings.
1 region
x 0.20 · y 0.40 · w 0.60 · h 0.48 (high) - Fitted silhouetteNightie fabric lies close to the model's torso, following the body's front contours without visible loose folds.
1 region
x 0.20 · y 0.32 · w 0.60 · h 0.56 (high)
Other
Studio portrait of a model wearing the garment against a solid red background; hands grasping near the neck obscure part of the neckline; soft, diffused lighting with mild shadows.
- Model poseFrontal upper-body portrait of a model whose hands are placed at the front of the neck, partially covering the base of the throat and upper chest.
1 region
x 0.30 · y 0.08 · w 0.40 · h 0.38 (high) - BackgroundUniform solid deep red background filling the frame behind the model.
- AccessoriesSmall gold-tone necklace with a tiny pendant visible at center front and a thin dangling earring visible on the model's right side.
2 regions
x 0.44 · y 0.22 · w 0.12 · h 0.10 (high); x 0.68 · y 0.16 · w 0.08 · h 0.18 (medium) - Lighting and shadowSoft, even lighting with gentle shadows on the sides of the model's arms and subtle specular highlights on the skin.
- Image cropImage is cropped above the model's waist and near the top of the head; lower portion of the nightie and full arms are partially outside the frame.
Colors
black· lace body#1C1C1C- Neckline trimV-shaped neckline with scalloped lace edge across the bust, forming a low front opening.
- 03
Product
Rear view of a long, sheer black lace nightie with thin adjustable spaghetti straps, a vertical back seam, and scalloped lace hem; fabric is semi-transparent revealing the silhouette beneath.
- Overall silhouetteCalf-length, form-fitting nightie with a straight vertical fall from the bust to the hem creating a column silhouette as seen from the back.
1 region
x 0.18 · y 0.08 · w 0.62 · h 0.84 (high) - Fabric and patternSheer black lace fabric with an all-over floral motif; lace is semi-transparent so the body and undergarment silhouettes are visible through it.
1 region
x 0.18 · y 0.08 · w 0.62 · h 0.84 (high) - StrapsTwo thin adjustable spaghetti straps with small metal slider hardware on each strap at the rear.
2 regions
x 0.38 · y 0.06 · w 0.06 · h 0.12 (high); x 0.54 · y 0.06 · w 0.06 · h 0.12 (high) - Center back seamA visible vertical seam runs down the center back from the upper back area toward the hem, dividing the lace pattern symmetrically.
1 region
x 0.45 · y 0.08 · w 0.10 · h 0.76 (high) - Waist trimHorizontal lace waistband or trim detail visible around the lower back/hip area that slightly defines the waistline.
1 region
x 0.28 · y 0.34 · w 0.44 · h 0.12 (medium) - Hem detailScalloped lace hem with a delicate scallop pattern along the lower edge of the nightie.
1 region
x 0.20 · y 0.82 · w 0.60 · h 0.12 (high) - Sheerness effectFabric is highly transparent across the back and skirt panels, allowing the outline of the model's legs and undergarment to be visible through the lace.
1 region
x 0.30 · y 0.40 · w 0.40 · h 0.46 (high)
Other
Studio rear-view shot of a model wearing the nightie against a plain off-white background with soft, even lighting.
- View and poseRear view of a standing model with one arm raised to touch the head and the other arm relaxed alongside the body, weight shifted to one leg.
1 region
x 0.12 · y 0.00 · w 0.76 · h 1.00 (high) - BackgroundPlain off-white studio background and floor with minimal visible texture.
- Lighting and shadowSoft, even frontal lighting with gentle shadows visible along the model's left side and under the hem.
- Image crop and qualityFull-body crop from mid-head to feet; image is clear with fine detail visible in the lace pattern.
Colors
deep black· main fabric#15120C- Overall silhouetteCalf-length, form-fitting nightie with a straight vertical fall from the bust to the hem creating a column silhouette as seen from the back.
Documents & Data
Customer Reviews
2 total2 reviews · out of 5
Much more transparent than picture
Cute, true to size
Taille précise et nuisette de qualité.
Me va comme un gant. Belle qualité et envoi et emballage toujours bien fait par Simons.
Q&A
3 answered- Is the lace lined or unlined? Is it see-through?
- The lace is unlined. Given the stretch floral lace material, it is semi-sheer and may be somewhat see-through, especially in lighter colors. For full coverage, layering may be desired.
- How do the straps adjust? Are they slide adjusters and do they stay in place?
- Yes, the straps feature slide adjusters that allow you to shorten or lengthen them easily. They are designed to stay in place once adjusted, as is common with quality satiny strap hardware.
- Is the sizing true to size? Does the stretch lace accommodate a range of body shapes?
- Sizing is generally true to size, and the stretch lace fabric accommodates a range of body shapes comfortably. If between sizes, customers often size up for a looser fit; check the size chart for specific measurements.
Reddit Insights
1 threads · r/femalefashionadviceA single Reddit user mentioned that their Miiyu modal nightgown is an old favourite, suggesting positive sentiment toward the brand's sleepwear.
The user referred to the Miiyu nightgown as an 'old favourite', indicating strong satisfaction.
Themes
Use Cases
- Sleepwear
Source Threads
Miiyu modal nightgown mentioned as old favourite
I also have a modal nightgown from Simons (Miiyu) that is an old favourite.
u/___butthead___r/femalefashionadviceView thread →