Bedsure CoolOxy Cooling Comforter King
- Size: King(102"x90")
- Fabric Warmth Description: Lightweight
- Fill Material: Tencel
- Blanket Form: Comforter
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A reasonable pick for hot sleepers on a king bed who keep their room in the mid-70s, backed by specific lab metrics rather than vague comfort claims.
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ASIN: B0G3W85TSHCategory: Duvets & Down Comforters
Overview
A king-size comforter built for hot sleepers, with a Q-max cooling rating above 0.45 and a 7cm hollow sweat-zone design meant to cut the stuffiness of a standard down comforter. A 31% Tencel blend fill is added to help manage moisture through the night.
Most of the marketing here leans on lab metrics rather than lifestyle claims, which helps: a stated Q-max above 0.45 and a claim of 4 times more breathability than an unnamed baseline are specific enough to compare against other cooling comforters. The catch is that Bedsure frames the ideal comfort zone narrowly, around 73-77F in an air conditioned room, so buyers in hotter or unconditioned bedrooms may not see the same result.
- 7cm hollow sweat-zone channel design
- 31% Tencel fill blended into filling
- 102 x 90 inch king comforter size
- Machine washable, retains coolness per seller
Who it's for
Suits hot sleepers or night-sweat sufferers with a king bed and a room that stays around 73-77F. Cold sleepers or anyone without AC may find it underwhelming.
Pros and cons
- Q-max cooling rating measured above 0.45
- Tencel blend fill helps manage moisture
- OEKO-TEX certified fabric, free of harmful chemicals
- Seller targets a narrow 73-77F AC range
Performance notes
The comforter's Q-max rating measures how fast the fabric surface pulls heat away from skin on first touch, which is the metric behind the cooling claim rather than active temperature control. The 7cm hollow channels at sweat-prone zones and the Tencel-blend fill work together to move moisture away from the body rather than trapping it against the comforter's outer shell.
Specifications
| Brand | Bedsure |
|---|---|
| Dimensions & fit | |
| Size | King(102"x90") |
| Item Dimensions L x W | 90 × 102 inches |
| Capacity & performance | |
| Age Range Description | All |
| Construction & materials | |
| Fabric Warmth Description | Lightweight |
| Fill Material | Tencel |
| Material Type | 85% Nylon, 15% Spandex |
| Fabric Type | 85% Nylon, 15% Spandex |
| Color | Grey |
| Included components | |
| Unit Count | 1 |
| Number of Packs | 1 |
| Other details | |
| Blanket Form | Comforter |
| Number of Items | 1 |
| Seasons | All, Summer |
| Style Name | Casual |
| Theme | Casual |
| Pattern | Solid |
| Recommended Uses For Product | Napping, Travel |
| Product Care Instructions | Machine Wash |
Frequently asked questions
What does Bedsure's Q-max rating mean on the CoolOxy comforter?
It's a lab measure of how quickly a fabric pulls heat away from skin on contact; this comforter is rated above 0.45.
What size is the Bedsure CoolOxy comforter?
It's cut for a king bed at 102 by 90 inches.
Does the Bedsure CoolOxy work without air conditioning?
The seller frames its cooling comfort around 73-77F AC rooms, so unconditioned rooms fall outside its tested range.