Miiyu
Soft And Fluid Pyjama Pant
The Miiyu by Simons Soft and Fluid Pyjama Pant is a women's loungewear bottom made from 65% recycled polyester and 35% LENZING™ ECOVERO™ viscose. It features an elastic waistband with a drawstring tie, a patch back pocket, and a relaxed wide-leg fit for sleep or lounging. Care instructions: machine wash, do not bleach, tumble dry, and iron.
Color
Size
Specifications
- Material
- 65% polyester made from recycled plastic bottles, 35% LENZING™ ECOVERO™ viscose
- Gender
- female
- Age Group
- adult
- Condition
- new
Product Insights
Miiyu's Soft And Fluid Pyjama Pant ($59, 4.4 stars) pairs sustainability with performance: its 65/35 blend of recycled polyester from plastic bottles and ECOVERO viscose from certified forests reduces energy, water, and CO₂ while delivering wrinkle resistance, breathability, and a fluid drape. An elastic drawstring waist provides customized fit, and the fabric's easy-care machine wash and low-tumble dry finishes a product that, according to one Reddit user, earns long-term loyalty.
Verified claims
- Recycled content
- 65% recycled polyester from plastic bottles, saving 59% energy and 90% water versus virgin.
- ECOVERO viscose
- 35% LENZING ECOVERO viscose from FSC-certified forests, with 50% less water and half the CO2.
- Blend performance
- The 65/35 blend combines wrinkle resistance of polyester with softness and drape of viscose.
- Fiber blend
- 35% ECOVERO viscose, 65% recycled polyester: soft, breathable.
- Fluidity
- Jersey and ECOVERO drape: fabric flows away, resists clinging.
- Wrinkle resistance
- Polyester-viscose blend resists wrinkles and retains shape.
- Care
- Machine wash cold and tumble dry low – easy, low-impact care.
- Fit adjustment
- Functional drawstring allows waist fit adjustment without alterations.
- Waist adjustability
- Drawstring is functional for adjusting waist tightness, not decorative.
- Traceability
- ECOVERO viscose is traceable to certified wood origins via Identifiber marker.
- Sustainability
- LENZING ECOVERO viscose is EU Ecolabel certified and traceable.
- Comfort
- Fabric is more breathable than cotton and prevents sweat-trapping.
- Customer satisfaction
- One Reddit user calls a Miiyu nightgown a longtime favorite.
- Drawstring
- Elastic waistband with functional drawstring allows customized fit.
Product record
- Title
- Soft And Fluid Pyjama Pant
- Brand
- Miiyu
- Price
- 59 CAD
- Availability
- In stock
- Rating
- 4.4 stars, 19 reviews, scale 5
Deep Research
Breathability and sleep comfort
- Thanks to ECOVERO™ viscose’s naturally high drape and the jersey knit called out in the product listing, the fabric flows away from the body rather than sticking, and that lack of cling lets air circulate along the legs — a sleep-comfort detail that helps the pant feel genuinely cool and unrestrictive in bed.
- The 65% recycled polyester gives the pant wrinkle resistance and long-lasting shape, while the 35% viscose infuses the fabric with enough breathability and softness to avoid the sealed-in, airless sensation of pure polyester — striking a balance that works for sleepers who need low-maintenance loungewear but still want a cooler night.
- The LENZING ECOVERO viscose fibers are engineered to be more breathable than cotton and highly absorbent, so even at a 35% share in the blend, they pull moisture away from the skin and allow heat to escape, preventing the muggy, sweat-trapping feel often associated with 100% polyester sleepwear.
Sustainable materials and eco certifications
- By using rPET, this pant participates in the diversion of roughly 60 plastic bottles per kilogram of fabric, reinforcing the upcycling of post-consumer waste in fashion.
- The cellulose for the ECOVERO™ viscose is sourced from FSC® or PEFC certified forests, ensuring the pant’s wood-based fiber comes from responsibly managed forestry — a safeguard against deforestation that cheap generic viscose often lacks.
- Producing recycled polyester uses 59% less energy and 90% less water than virgin polyester, so the 65% rPET in this pant translates into a substantially lower-resource footprint compared to conventional polyester loungewear.
- LENZING™ ECOVERO™ fibers contain a built-in marker that allows the finished garment to be traced back to its wood origin, offering visibility into a supply chain that is normally opaque — a feature that appeals to buyers who want proof of responsible sourcing.
- Unlike generic viscose, LENZING™ ECOVERO™ fibers are manufactured using at least 50% less water and emit half the carbon emissions, meaning the 35% viscose blend in this pant carries a noticeably lighter environmental burden than standard viscose or cotton.
Image Analysis
5 images- 01
Product
Loose two-piece pajama set visible on a model: a long-sleeve, boat-neck top and wide-leg drawstring pants in a dark navy fabric with a small scattered white and pale green dot/floral print.
- Top silhouetteLoose-fitting, long-sleeve top with a wide boat neckline and relaxed hem; model lifts the right side of the top to reveal the waist.
1 region
x 0.18 · y 0.06 · w 0.66 · h 0.44 (high) - Sleeve length and cuffSleeves end between elbow and wrist (three-quarter to long length) with simple hem, no visible cuff detail.
1 region
x 0.56 · y 0.16 · w 0.29 · h 0.21 (high) - Pants silhouetteFull-length, wide-leg pants with a relaxed drape reaching the model's feet; hem sits at floor, covering ankles.
1 region
x 0.22 · y 0.43 · w 0.56 · h 0.51 (high) - Waist detailMid-rise waistband with a visible tied drawstring at center front; the waistband appears gathered under the top.
1 region
x 0.36 · y 0.35 · w 0.28 · h 0.14 (high) - Fabric and drapeSoft, fluid knit or jersey fabric with fluid drape and slight surface sheen consistent across top and pants.
- Print patternSmall scattered clusters of white and pale green dot-like floral shapes distributed evenly across the navy ground.
1 region
x 0.26 · y 0.12 · w 0.46 · h 0.72 (high) - Visible skin and fitModel's bare midriff partially visible where the top is lifted; pants fit relaxed rather than fitted at hips and thighs.
1 region
x 0.48 · y 0.31 · w 0.15 · h 0.12 (high)
Other
Studio product shot showing a full-body model against a pale cream wall and a light beige plush floor, with soft even lighting and minimal shadows.
- Background and surfaceSmooth pale cream wall background and light beige plush carpet floor visible across the image bottom.
1 region
x 0.00 · y 0.00 · w 1.00 · h 0.98 (high) - Model and poseFull-body female model facing slightly toward camera with left arm relaxed and right hand lifting the top at the waist; feet bare.
1 region
x 0.16 · y 0.03 · w 0.68 · h 0.94 (high) - Lighting and shadowSoft, even studio lighting producing minimal harsh shadows and gentle shadowing to ground the model on the carpet.
- Image framingVertical portrait framing centered on the model, full-body visible with small margin above head and floor visible at bottom.
Colors
deep navy· main fabric (background)#252A3Bwhite· print (white dots)pale mint green· print (pale green dots)- Top silhouetteLoose-fitting, long-sleeve top with a wide boat neckline and relaxed hem; model lifts the right side of the top to reveal the waist.
- 02
Product
Woman wearing a two-piece pajama set consisting of a long-sleeve relaxed top and straight-leg full-length pants in a dark navy fabric printed with small irregular pale green and off-white spots. The model lifts the hem of the top at the right side, revealing a tied fabric detail at the pants waist.
- Top necklineWide round/boat neckline on the top, sitting close to the collarbone.
1 region
x 0.21 · y 0.06 · w 0.58 · h 0.18 (high) - Top sleeve lengthLong sleeves with a relaxed, slightly loose fit ending at the wrist.
1 region
x 0.12 · y 0.18 · w 0.76 · h 0.34 (high) - Waist detailPants have a gathered elastic waist with a visible fabric tie knotted at the front-right side, exposed when the model lifts the top.
1 region
x 0.44 · y 0.47 · w 0.18 · h 0.12 (high) - Pants cutStraight-leg, full-length pants with a relaxed loose fit falling to the model's feet.
1 region
x 0.28 · y 0.55 · w 0.48 · h 0.40 (high) - Fabric patternAll-over irregular small dot/abstract speckle print in two lighter colors scattered across the dark base fabric.
1 region
x 0.20 · y 0.12 · w 0.60 · h 0.78 (high) - Material appearanceMatte, soft-looking knit fabric with a fluid drape; no visible sheen.
1 region
x 0.18 · y 0.14 · w 0.64 · h 0.74 (high) - Visible logo or textNo printed brand name, logo, or other text visible on the garment in this image.
Other
Studio shot of a standing model against a plain light beige wall and a textured beige carpet; even soft lighting with minimal harsh shadows. Model lifts the top at the right side revealing waist detail; image framed vertically showing full body.
- Shot compositionFull-body vertical studio shot with the model centered and standing on a low-pile beige carpet against a plain beige wall.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Lighting and shadowSoft, diffuse lighting from the front/upper-left producing gentle shadows mainly to the right side of the model.
- Props and stylingNo props; model is barefoot and wearing the matching pajama top and pants while posing with one hand lifting the top.
1 region
x 0.30 · y 0.40 · w 0.40 · h 0.40 (high) - Image qualitySharp, high-resolution image with clear detail of fabric texture and print.
Colors
dark navy· base fabric#24253Apale green· print - pale green spotsoff-white· print - off-white spots- Top necklineWide round/boat neckline on the top, sitting close to the collarbone.
- 03
Product
Front view of relaxed wide-leg pajama pants with an elastic drawstring waistband and an all-over small abstract dot print on a dark base. Pants are full length and shown worn by a model cropped at the waist and ankles.
- SilhouetteStraight wide-leg, relaxed-fit pants shown full length to the ankles with a loose drape
1 region
x 0.12 · y 0.18 · w 0.76 · h 0.77 (high) - Waistband and closureGathered elastic waistband with a center-front self-fabric drawstring tied in a small bow
1 region
x 0.36 · y 0.16 · w 0.28 · h 0.10 (high) - Print patternAll-over scattered small abstract dot clusters in two lighter colors distributed across the pant legs and waistband
1 region
x 0.14 · y 0.20 · w 0.72 · h 0.70 (high) - Fabric appearanceSmooth, soft-looking knit with a fluid drape and minimal visible texture; fabric hangs without stiffness
1 region
x 0.18 · y 0.28 · w 0.64 · h 0.56 (medium) - HemStraight finished hem visible at both ankles with no cuff or visible stitching detail from this distance
1 region
x 0.18 · y 0.82 · w 0.62 · h 0.12 (medium) - Visible stylingModel wearing matching top cropped into frame; left hand resting on hip partially covering waistband
1 region
x 0.48 · y 0.06 · w 0.36 · h 0.20 (high)
Other
Studio frontal shot cropped at the model's waist and feet, neutral background and soft even lighting, model standing on a light beige shag rug.
- Shot compositionFrontal studio photograph showing model from mid-torso to feet, pants centered in frame
- Background and surfaceOff-white wall background with a light beige shag rug under the model's feet
2 regions
x 0.00 · y 0.78 · w 1.00 · h 0.22 (high); x 0.00 · y 0.00 · w 1.00 · h 0.20 (high) - Lighting and shadowSoft, even studio lighting with gentle shadows mainly beneath the pant legs and feet
- Image croppingTop of the model is cropped at the chest and the feet are visible; hands visible with one obscuring part of the waistband
1 region
x 0.28 · y 0.06 · w 0.44 · h 0.28 (high)
Colors
navy blue· pant base#1C222Cmint green· printed dot - mintoff-white· printed dot - off-white- SilhouetteStraight wide-leg, relaxed-fit pants shown full length to the ankles with a loose drape
- 04
Product
Rear view of relaxed straight-leg pajama pants on a model; navy fabric with scattered small mint and white abstract dot print, elasticized waistband and full-length legs finishing at the ankles.
- View and fitRear view of pants worn on a model showing a relaxed, straight-leg silhouette that falls to the ankles with a loose drape.
1 region
x 0.14 · y 0.12 · w 0.72 · h 0.78 (high) - WaistbandElasticized waistband with slight gathering at the back; sits at the natural waist on the model.
1 region
x 0.22 · y 0.12 · w 0.56 · h 0.10 (high) - Fabric drape and textureSoft, fluid knit fabric with a smooth surface and gentle vertical drape; no visible sheen.
1 region
x 0.16 · y 0.22 · w 0.68 · h 0.66 (medium) - Side seamVisible side seam running down the outer side of the leg on both sides.
2 regions
x 0.82 · y 0.18 · w 0.06 · h 0.62 (medium); x 0.12 · y 0.18 · w 0.06 · h 0.62 (medium) - Rear rise and seatBack seat area shows a smooth join without visible pockets or yoke seams; fabric falls without additional paneling.
1 region
x 0.32 · y 0.12 · w 0.36 · h 0.22 (high) - All-over printScattered small abstract dot print in two lighter colors over the navy ground, irregularly spaced and varying slightly in cluster density.
1 region
x 0.20 · y 0.18 · w 0.60 · h 0.68 (high)
Other
Studio shot showing the model from mid-back to feet against a light cream wall and beige carpet; soft, even lighting with minimal shadowing and no visible branding or props except the matching top partially visible.
- Background and surfaceSmooth light cream wall background meeting a beige textured carpeted floor on which the model stands barefoot.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Framing and cropImage cropped to show the model from lower back to feet; top of the head and full arms are outside the frame.
- LightingSoft, diffuse studio lighting producing even illumination and subtle shadowing behind the model toward the right.
- Matching top visiblePartial view of a matching long-sleeve top in the same navy base and dot print visible above the waistband on the model.
1 region
x 0.28 · y 0.04 · w 0.44 · h 0.14 (high)
Colors
deep navy· main fabric#1D232Cpale mint· print dots (mint)soft white· print dots (white)- View and fitRear view of pants worn on a model showing a relaxed, straight-leg silhouette that falls to the ankles with a loose drape.
- 05
Product
A two-piece sleep set shown on a model: a long-sleeve, loose top and straight wide-leg pajama pants in a dark navy base with small scattered pale spots. The model lifts the top at one side, revealing the pant waistband and a side seam opening of the top.
- Top silhouetteLoose-fitting long-sleeve top with a round neckline and dropped shoulder seams; hem falls to the hip and is being lifted at the right side by the model.
1 region
x 0.15 · y 0.05 · w 0.70 · h 0.45 (high) - Pant silhouetteHigh-rise straight wide-leg pajama pants with a relaxed fit through the leg; pant legs extend to the model's feet and touch the floor.
1 region
x 0.18 · y 0.45 · w 0.64 · h 0.50 (high) - Waistband and waist revealTop lifted at the model's right side exposes the top edge of the pant waistband and a short vertical side opening of the top where skin is visible.
1 region
x 0.52 · y 0.36 · w 0.18 · h 0.12 (medium) - All-over printed patternSmall irregular round and elliptical spot motifs scattered evenly across both the top and the pants; spots are lighter than the base fabric and vary slightly in size.
1 region
x 0.16 · y 0.06 · w 0.68 · h 0.86 (high) - Fabric appearanceSoft drapey knit with smooth surface; fabric hangs in gentle folds at the sleeves and pant legs indicating a lightweight, fluid drape.
1 region
x 0.15 · y 0.05 · w 0.68 · h 0.90 (medium)
Other
Studio shot showing a standing model on a light beige shag rug against an off-white seamless wall; soft even lighting with minimal shadows. The image is vertically oriented and centered on the model.
- Shot compositionFull-body studio portrait cropped with small floor area visible; model centered and facing slightly toward camera.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Background and surfaceLight off-white seamless wall background and a light beige shag rug on the floor visible beneath the model.
2 regions
x 0.00 · y 0.80 · w 1.00 · h 0.20 (high); x 0.00 · y 0.00 · w 1.00 · h 0.80 (high) - Model poseModel stands with left foot slightly forward, left arm relaxed at side and right arm lifting the top at the right hip; head facing forward.
1 region
x 0.30 · y 0.10 · w 0.40 · h 0.85 (high) - LightingSoft, even studio lighting from the front with mild shadowing behind and below the model.
Colors
navy blue· fabric base#24253Apale mint green· all-over spots- Top silhouetteLoose-fitting long-sleeve top with a round neckline and dropped shoulder seams; hem falls to the hip and is being lifted at the right side by the model.
Documents & Data
Customer Reviews
19 total19 reviews · out of 5
Confort
Confortable, belle coupe
Purchase of sleepwear
Love it.. soft, cozy. Reasonable pricing. Would buy again or something similar.
Mon prefere
Ce pantalon est pour moi un item très important que je porte régulièrement à la maison..super confortable et facile d’entretien, j’ai plusieurs paires que je porte été comme hiver…il faut absolument que Simons garde cet item dans leur choix de pantalons…
Beau et confortable
Je le recommande
Confortable
Confortable
Trop court
Le pantalon était beaucoup trop court. Je l’ai retourné.
Aisance
Je n'ai qu'un mot à dire c'est qu'il est ultra confortable.
Very soft and comfy but had too return
I prefer smaller waistband
Qualité
Qualité
Confort
Très confortable
Douceur
Il son très confortable
Mauvaise confection
La taille est bien trop mince pour la grosseur de l élastique qui ne fait que tourner
Very comfortable loungewear
Love the soft material
Offert en cadeau. Doux, confortable
Offert en cadeau. Doux, confortable et belle coupe avantageuse
Green Lounge Pant
These green bottoms match so nicely with the pink floral top. Both pieces are good quality.
Parfait
Il fait très bien!
Pyjama
Beau tissus, confortable
Returned
Too large and heavy weight
Pantalon détente
Beau et confortable
Q&A
3 answered- What are the recommended washing instructions for this blend of recycled polyester and viscose?
- For this recycled polyester and LENZING™ ECOVERO™ viscose blend, we recommend machine washing cold on a gentle cycle with like colours and tumble drying low or hanging to dry. Always check the care label inside the garment for specific instructions.
- Is the drawstring functional for adjusting the waist, or is it mainly decorative?
- Yes, the drawstring is fully functional. The product features an elastic waistband with a drawstring to tie in front, allowing you to adjust the fit to your preference.
- Can you confirm the specific sustainability certifications for the LENZING™ ECOVERO™ viscose used?
- The LENZING™ ECOVERO™ viscose used in these pyjama pants carries the EU Ecolabel certification, confirming it meets strict environmental standards for reduced water and energy usage.
Reddit Insights
1 threads · r/femalefashionadviceA single Reddit user mentions a Miiyu modal nightgown as an old favourite, indicating a positive past experience with the brand.
The only mention calls the Miiyu nightgown an 'old favourite', showing satisfaction, but there is insufficient data to gauge broader sentiment.
Themes
Use Cases
- Sleepwear/Loungewear
Source Threads
Miiyu modal nightgown mentioned as an old favourite
I also have a modal nightgown from Simons (Miiyu) that is an old favourite.
u/___butthead___r/femalefashionadviceView thread →