Simons Maison
TencelTm Lyocell Symphonie Duvet Cooling Casing
This Symphonie duvet, a Simons Maison exclusive designed in Canada, features a 300-thread-count TENCEL lyocell casing known for its lightweight, thermoregulating, and moisture-wicking properties. It is filled with washable, hypoallergenic, and odorless recycled polyester. Available in Twin, Double, Queen, and King sizes, it includes piped trim and sewn-through box construction to keep the fill evenly distributed, and is machine washable and dryable.
- Material
- 300-thread-count TENCEL lyocell casing with recycled polyester fill
- Category
- Home & Garden > Linens & Bedding > Bedding > Quilts & Comforters
Color
Specifications
Cooling duvet with TENCEL lyocell casing and recycled polyester fill, designed in Canada.
Moisture wicking, thermoregulating, hypoallergenic, odourless, lightweight, piped trim, sewn-through boxes, machine washable.
- Material
- 300-thread-count TENCEL lyocell casing with recycled polyester fill
- Secondary
- recycled-polyester
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Home & Garden > Linens & Bedding > Bedding > Quilts & Comforters
Additional Attributes
- Cooling
- Moisture-wicking
- Hypoallergenic
- Machine-washable
- Lightweight
- Piped trim
- Sewn-through boxes
- Thermoregulating
- Odourless
- Recycled polyester fill
- Biodegradable
- 300 thread count
Product Insights
The Tencel Lyocell duvet casing from Simons Maison combines a sustainably sourced, soft Tencel cover with a recycled polyester fill that is hypoallergenic and moisture-wicking, offering a plush, hotel-quality appearance at a competitive price. However, despite its cooling label, the duvet retains body heat, making it better suited for cold sleepers and winter use. Maintenance demands daily fluffing to redistribute shifting fill and prevent heat buildup, while the slippery casing and lack of corner loops necessitate aftermarket clips. Stitching may unravel after washing, and the double size overhangs standard beds, requiring a queen cover. The duvet's warmth and upkeep tradeoffs position it as a value-oriented option for those seeking a soft, sustainable duvet with a caveat against summer cooling.
Verified claims
- Cooling
- Buyers report the duvet traps heat and is too warm for summer cooling use.
- Maintenance
- The Tencel casing is slippery and requires daily fluffing to redistribute the fill.
- Competitive pricing
- At $49.95 CAD on sale, the duvet costs roughly one-tenth of a Simba Hybrid 3-in-1.
- Value
- At $49.95 CAD, the duvet pairs a 300-thread-count, 100% Tencel lyocell casing with 100% recycled polyester fill, moisture-wicking, and hypoallergenic properties—roughly one-third the cost of a nylon-shell Tencel-fill comforter and about one-tenth the cost of a phase-change cooling duvet.
- Heat retention
- Despite its cooling label, the duvet retains body heat, suiting cold sleepers and winter use.
- Construction concerns
- Unraveling stitching and fill shift reported; daily fluffing and aftermarket clips may be needed.
- Hygiene
- The casing inhibits bacterial growth and the fill resists moisture, making the duvet hypoallergenic.
- Material quality
- The round, smooth Tencel fibres make the casing feel softer than 600 TC cotton, and the materials are sustainably sourced.
- Warmth
- The recycled polyester fill retains body heat, making the duvet feel warm despite the cooling casing.
- Plushness
- Duvet has a puffy, over-stuffed visual appearance with a plush medium loft comparable to a down alternative, though less lofty and breathable than natural down.
- Cover fit
- Buyers report the double duvet overhangs the bed on both sides and can look oversized.
- Corner loops
- No corner loops or ties; to secure the duvet inside a cover, use a cover with internal ties or duvet clips.
- Stitching durability
- Buyers report stitching unraveling at the fill channels, affecting fill stability.
- Recycled fill
- 100% recycled polyester fill repurposes ~35 PET bottles per kg.
- Hypoallergenic
- Fill's <1% moisture absorption makes it hypoallergenic and resists dust mites and mold.
- Perceived luxury
- Buyers report a cloud-like, hotel-quality look and feel from the duvet's softness and loft.
- Bed fit
- Double duvet (84 x 90) overhangs a standard double bed.
- Washing
- Cold water wash, gentle cycle; low-heat or air dry only.
- Fluffing
- Daily shaking/fluffing needed to redistribute fill.
- Fill stability
- Buyers report fill shifts daily, even when attached at all corners.
- Fill properties
- Medium loft and lower breathability than down; the Tencel casing boosts breathability and moisture wicking, while the recycled polyester fill is hypoallergenic.
- Breathability
- The 300-thread-count Tencel casing remains open enough for its moisture-wicking to operate fully, absorbs up to 50% more moisture than cotton, and enhances breathability enough to partially offset the recycled polyester fill's lower breathability.
- Cooling durability
- The Tencel casing's thermoregulating capability is embedded in the fiber, so it won't wash out or degrade and remains effective through repeated machine washing.
Product record
- Title
- TencelTm Lyocell Symphonie Duvet Cooling Casing
- Brand
- Simons Maison
- Price
- 100 CAD
- Availability
- In stock
Buying Guide
1 comparison · 3 sourcesUses
A warm, plush duvet for cold sleepers and cooler seasons
Simons describes this duvet's TENCEL™ lyocell casing as thermoregulating and moisture wicking for cool, comfortable nights, with a plush recycled polyester fill. However, customer reviews summarized in the analysis report that despite the cooling label, it retains significant body heat and feels too warm for summer, with one reviewer finding it heavier than expected at nearly 5 kg. Based on those reported experiences, it may be a better fit for cold sleepers and colder weather than for hot sleepers seeking a lightweight summer duvet.[1]
A warmer duvet for cold sleepers and cool nights
Based on customer reviews summarized in an analysis, this duvet is described as retaining body heat, offering cozy warmth without feeling overly heavy — a fit some reviewers found ideal for chilly bedrooms and winter nights. Others also reported it worked well in spring and fall when nights are cool but not freezing. Note that despite the cooling label, several reviewers found it too warm for summer, with one reporting it weighs nearly 5 kg and feels better suited to cooler weather.[1]
Making your bed feel plush and hotel-like
This duvet suits shoppers who want a cozy, luxe-looking bed for everyday sleeping. According to Simons, its TENCEL™ lyocell casing is lightweight and thermoregulating for cool, comfortable nights, while the recycled polyester fill adds plush comfort. In customer reviews summarized by an analysis, many people describe the feel as exceptionally fluffy and compare it to a luxury hotel or sleeping on a cloud.[1]
A duvet you can wash at home
The Tencel Lyocell Symphonie duvet is machine washable and machine dryable, making cleanup simple when it needs refreshing. Its recycled polyester fill is washable, and the easy-care design means you can launder the whole duvet rather than spot-cleaning.[1]
Keeping the fill evenly in place
This duvet uses sewn-through box construction that Simons says keeps the fill from shifting around. Some customer feedback summarized in reviews analysis describes the fabric as slippery, with daily shaking needed to keep the fill even — a maintenance point to weigh if you prefer low-fuss bedding.[1]
Choosing the right size duvet for your bed and cover
This duvet comes in sizes from Twin up to King, with the Queen measuring 90 inches by 95 inches and the King 108 inches by 95 inches. Some customers report that on a standard double bed the Double size's dimensions create excessive overhang, meaning a custom or larger duvet cover may be needed. Checking the listed dimensions against your bed and existing covers can help avoid fit surprises.[1]
Product comparison
Compared within this brand.
| TencelTm Lyocell Symphonie Duvet Cooling Casing: Choose this if you're a cold sleeper or want cozy winter or spring/fall warmth without heavy weight: reviewers report its plush fill and TENCEL lyocell casing create a fluffy, hotel-like feel, and it's machine washable and dryable. Note that despite the cooling casing, many reviewers say it retains significant body heat and feels too warm for summer, and one describes it as nearly 5 kg. Its oversized dimensions can also cause excessive overhang on a standard double bed, requiring a custom or larger duvet cover, and some reviewers mention the slippery fabric needs daily shaking to keep the fill even.[1] | Sonatine Recycled Polyester Duvet All-Season Fill: Choose this if you want a lightweight, breathable duvet for year-round use in cooler climates: reviewers report it stays warm enough for winter without overheating, and the hypoallergenic, odourless recycled polyester fill with sewn-through box construction keeps fill in place. It is machine washable with a 200-thread-count 100% cotton cover, and comes in twin through king sizes in white. Note it feels notably light, so heavy-comforter fans may want to layer a blanket on top, and several reviewers found it too warm for hot summers without air conditioning.[2] | Recycled Polyester Harmonie Duvet Light Fill: Choose this if you want an unusually lightweight duvet that is easy to adjust in bed — reviewers say it insulates without heft, which reviewers found helpful for people with arthritis or joint pain. Its light, hypoallergenic recycled polyester fill, sewn-through box construction, corner tabs for anchoring a cover, and machine-wash-and-dry care suit guest rooms, cottages, first apartments, or children's bedrooms. Note that some reviewers find the synthetic fill traps heat, so it can get uncomfortably warm in unairconditioned rooms during heatwaves, and it may need layering in deep winter or a lighter option in peak summer.[3] |
Image Analysis
3 images- 01
Product
White duvet/casing laid on a bed, shown from a front-right angle with visible quilting stitch lines and a stitched leaf-shaped emblem at the lower-right corner. The fabric appears smooth with a slight sheen and a piped edging along the top fold.
- Overall surfaceSingle-layer white duvet cover visible across the bed surface with a smooth, slightly lustrous fabric and shallow vertical drape folds.
1 region
x 0.00 · y 0.18 · w 1.00 · h 0.68 (high) - Quilted stitch patternRegularly spaced, shallow square tufting created by stitched intersections visible across the duvet surface.
1 region
x 0.05 · y 0.28 · w 0.90 · h 0.48 (high) - Top folded edge with pipingUpper edge folded back to reveal a piped seam running along the fold and a visible inner layer; fold extends from center toward the right side.
1 region
x 0.45 · y 0.10 · w 0.55 · h 0.20 (high) - Leaf-shaped stitched emblemDistinct stitched emblem in a leaf or feather motif located near the lower-right corner of the duvet, formed by denser quilting lines.
1 region
x 0.78 · y 0.72 · w 0.18 · h 0.20 (high) - Corner drapeLower-right corner of the duvet drapes down and rounds toward the floor, showing the duvet thickness and pliability.
1 region
x 0.76 · y 0.76 · w 0.24 · h 0.22 (high)
Other
Interior staging with a neutral wall and wood floor; soft directional lighting from the top right casts subtle shadows and highlights across the duvet. Image is cropped to show the right-front portion of the bed.
- Background and surfacePlain light beige wall with white baseboard and medium-tone wooden floor visible behind and beneath the bed.
2 regions
x 0.00 · y 0.00 · w 1.00 · h 0.30 (high); x 0.00 · y 0.86 · w 1.00 · h 0.14 (high) - Shot compositionThree-quarter frontal view focused on the center-right portion of the bed; pillows partly visible behind the top fold; lower-left edge of bed cropped out.
- Lighting and shadowSoft, diffused directional light from the top-right causing gentle highlights on the fabric sheen and faint shadows in the tufting and drape folds.
Colors
bright white· duvet main surface#F1F1F3bright white· stitched leaf emblem#F1F1F2- Overall surfaceSingle-layer white duvet cover visible across the bed surface with a smooth, slightly lustrous fabric and shallow vertical drape folds.
- 02
Product
Right-side view of a bed showing a white duvet cover/casing and two white pillows; visible features include sewn baffle or quilted square tufting, a folded top edge seam, and pillowcase flanges.
- Pillow geometryTwo rectangular pillows placed near the head of the bed; the right pillow is fully visible and shows a slightly rounded filled profile with soft wrinkles across the face.
1 region
x 0.18 · y 0.10 · w 0.58 · h 0.20 (high) - Pillowcase flangePillowcases have a visible outer flange or turned hem that extends beyond the pillow edge on the right pillow, forming a narrow flat border along the open side.
1 region
x 0.57 · y 0.15 · w 0.18 · h 0.12 (high) - Duvet surface tuftingDuvet top shows a grid of shallow square tufting or stitched baffles creating subtle square depressions across the surface.
1 region
x 0.05 · y 0.40 · w 0.90 · h 0.52 (high) - Duvet top seam/foldA folded top edge or turned seam runs horizontally near the upper third of the duvet, with a narrow visible stitch line along the fold.
1 region
x 0.04 · y 0.30 · w 0.92 · h 0.12 (high) - Fabric finishFabric appears smooth with a soft low-sheen finish; light creates gradual highlights and soft shadows revealing subtle wrinkles and drape.
- Right-side dropDuvet hangs slightly over the right edge of the mattress, exposing a narrow vertical tail of fabric near the bottom-right corner of the image.
1 region
x 0.86 · y 0.36 · w 0.12 · h 0.48 (high)
Other
Indoor staged product photograph showing the bed against a plain textured wall and wooden floor; soft directional lighting from the left casts shadows across the bedding.
- Shot compositionFramed from a slightly elevated angle facing the head and right side of the bed, cropping the left pillow partially and showing the mattress top and duvet foreground.
- Background and surfaceBeige textured wall behind the bed and a narrow strip of medium-toned wooden floor visible at the bottom-right edge.
2 regions
x 0.00 · y 0.00 · w 1.00 · h 0.35 (high); x 0.82 · y 0.86 · w 0.18 · h 0.14 (high) - Lighting and shadowsSoft directional light from left creates horizontal bands of light and shadow across the duvet and pillow surfaces, producing visible highlight gradients.
- Image qualityHigh resolution, well focused with natural color and no visible text or branding in the frame.
Colors
bright white· duvet cover surface#F2F1F4bright white· pillowcase surface#DDD3CA- Pillow geometryTwo rectangular pillows placed near the head of the bed; the right pillow is fully visible and shows a slightly rounded filled profile with soft wrinkles across the face.
- 03
Product
Close-up of a white duvet casing corner showing folded edge, corner tie loop, and reinforced stitched seam on smooth, slightly lustrous fabric.
- Corner tie loopA narrow fabric loop emerging from the seam at the corner, formed from the same white fabric and lying flat across the surface.
1 region
x 0.29 · y 0.16 · w 0.48 · h 0.18 (high) - Reinforced stitched seamVisible double-row topstitching along the folded edge forming a reinforced seam; stitches are even and parallel to the edge.
1 region
x 0.58 · y 0.08 · w 0.36 · h 0.70 (high) - Folded corner constructionCorner is folded over with an inner folded flap creating a layered edge; inner fold creates a soft rounded corner profile.
1 region
x 0.22 · y 0.10 · w 0.56 · h 0.38 (high) - Fabric surface finishSmooth, tightly woven fabric with a soft sheen reflecting light, suggesting a sateen-like finish visible across the main surface.
- Light shadow and textureSubtle shadows and highlights emphasize slight surface drape and gentle creasing near the corner and loop area.
Other
Studio-style close-up with neutral background, soft directional lighting from upper left, and no props or text; image is vertically oriented and slightly cropped at edges.
- Shot compositionTight detail shot filling the frame with the product corner positioned toward the upper center-right and negative space below.
- Background and lightingPlain light background with soft directional lighting creating gentle shadows and highlights on the fabric surface.
- Image cropEdges of the fabric extend to the image borders and some parts of the product are cropped outside the frame.
Colors
soft white· main fabric#F3F1F4- Corner tie loopA narrow fabric loop emerging from the seam at the corner, formed from the same white fabric and lying flat across the surface.
Customer Reviews
51 total51 reviews · out of 5
Fantastic
No issues, as described.
Comparatively not the best but not bad either
I have another Simon's duvet from Costco that is one of the best duvet I have ever used. It's pure cotton and it's not in stock.
Trop grand pour notre king
Trop grand pour notre king
Pas parfaite
Premièrement, elle devait être "fraiche", mais je la trouve très chaude. Le tissus la rend vraiment glissante, alors même si elle est attachée aux 4 coins, elle doit être "fluffée" à tous les matins. Elle est tout de même bien conçue et de qualité.
Soft!
This duvet is one of the best duvets I’ve ever touched. It is very fluffy and soft and lets me sleep like a baby.
Feels like sleeping in clouds
Love the duvet but will keep it for winter. It’s very lightweight but still warm. Also very fluffy. Purchased cooling blanket from Costco for summer.
Parfaite pour les entre-saisons
Couette parfaite pour le printemps et l’automne et même le début de l’hiver. Pour ceux qui ont toujours chaud vous l’aimerez tout l’hiver. Superbe texture et qualité
Une couette parfaite
Je suis très satisfaite de cette couette. Elle est légère, chaude mais elle s’adapte parfaitement à la température ambiante. On dors avec elle comme si un nuage nous enveloppe.
Superbe couette
J'adore sa grandeur et sa régulation de la chaleur. Très satisfaite de mon achat
Super fluffy and cozy but NOT cooling
I purchased this duvet instead of one on sale at the time Because of the claim to be cooling. It is the hottest duvet I’ve ever owned (doesn’t bother me) but my husband refuses to use it.
Légère
Légère
Chaude et légère
On adore!
Belle couette
Belle couette
So fluffy!
This duvet is so fluffy and I absolutely love it. It has the over-stuffed cozy look and feel when it's in the duvet cover which I have always wanted in my bedding. I am a very hot sleeper and I find that I am still ok with this duvet on me (at least partially) in July. I washed it as soon as I got it and hung it up to dry, which went well. I just feel so cozy in bed now, and I'm really happy with this purchase.
So lofty and comfortable
It feels like I'm sleeping in a 5 star hotel bed every night. would 100% buy again.
répond tout à fait à
répond tout à fait à mes attentes
Nice Duvet but
This duvet feels so light and fluffy but the reason for this purchase was that it would be the ideal summer duvet, not too warm. I had purchased a summer weight down duvet but had to return it as it was impossible to sleep with it. It was too warm. Fortunately this one is less warm for summer nights but still too warm for me
Quand même pesante pour une
Quand même pesante pour une couette d’été, je suis déçue.
Amazing
I chose this duvet because it seemed light but substantial, and had cooling which I prefer, and it doesn’t disappoint! A nice big duvet that is incredibly soft, it’s literally like sleeping in the clouds. Love so much.
Confortable mes trouve quel tiens
Confortable mes trouve quel tiens pas avec la couette il faut toujours que je la replace
Légère et chaude
Très légère en terme de poids, mais très chaude. Combo parfait selon mes goûts
Trop chaude
Trop chaude
Couette
Légère et confortable
couette
Très bien pour le prix
Fraicheur
Je n'avais pas vu touché cette couette avant de l'acheter. Je croyais qu'elle ne serait pas si chaude, mais si c'est pour quelqu'un de normal elle est beaucoup trop chaude. Ok, nous sommes l'été, mais chez moi, la température est régulée par une thermopompe et j'ai beaucoup trop chaud avec cette couette. La description est erronée.
Très bon achat !
C'est exactement ce que je voulais
Just the right temperature
Love it. I had purchase a different duvet that was all year, but it was way too warm for me. This one is much better. Still fluffy and warm without being too much.
Belle qualité
Belle qualité
Très confortable
J’adore cette douillette. Légère et chaude , elle est parfaite!
Léger et doux
J’ai apprécié cet article.
Très douce, mais mauvaise finition
La couette comme telle est super douce, super moelleuse, juste assez légère, mais réconfortante aussi. Par contre, la finition laisse à désirer. . . Les coutures qui tiennent la bourure en place sont décousues à de nombreux endroits. Nous avons échangé la première couette pour cette raison et la deuxième était encore pire, donc ce n'est pas un problème isolé. Simons m'a toutefois offert un bon service pour me dédommager, donc 3 étoiles au total.
Tellement douce
Tellement douce
Confo
Mon garçon dit dormir dans un nuage….
Parfaite
Parfait pour l’été. La couette est légère, aérienne et respirante.
Couette symphonie
J’adore! Doux et confortable.
Exactement ce que je voulais
Exactement ce que je voulais
elle est énorme et dépasse
elle est énorme et dépasse largement, mon lit, double ,des 2 cotés
Too warm for a 3 season duvet.
Good quality but warmer than I expected.
légère
appréciée
On aime
Légère et confortable!
Couette
Excellente !
Comfy!
A good mid-weight, and very comfy!
Excellent produit
Excellent produit
Confortable
Oui
Perfect
Soft and fluffy, not to hot or cold.
bon acaht
Très légère et confortable
Très belle et légère.
Fait très bien sur notre lit.
Très satisfaite
Exactement ce que je cherchais tant au point de vue qualité que du prix, je la recommande.
Légère et chaude
Idéale pour l’automne et l’hiver. Je recommande.
5
5
Très légère je recommande cet
Très légère je recommande cet article