The Oeko-Tex® Certified Breeze Sheet Set
Certified CLASS I (even stricter than typical CLASS II bedding) by Oeko-Tex®. Lab tested for 1000+ harmful substances. The ideal bed sheets for warm sleepers, sensitive skin, toddlers and young children — or anyone auditing their chemical exposure. Woven from eucalyptus-derived TENCEL™ Lyocell. Named House Beautiful’s Best Overall Luxury Sheet Set.
Color White
Size
Add Breeze Duvet Cover?
Most performance-cooling sheets rely on synthetic nylon and spandex. Ours are woven from 100% TENCEL™ Lyocell — a cellulosic fiber from responsibly sourced wood — and still test cool.
- Fitted sheet, flat sheet, and two pillowcases (unless noted otherwise).
- Deep fitted sheet with elastic corner anchor bands.
Independently tested:
Fiber smoothness. Under microscopy, lyocell has a nearly circular cross-section and a smooth, cylindrical surface — without the striations, twists, or ridges of cotton and linen (published fiber science, ScienceDirect: Lyocell Fiber). A smoother surface means less friction against the skin, which is what registers as softness.
Cool to the touch. Intertek (FTTS-FA-019) measured a Qmax of 0.405 W/cm² — the higher the Qmax, the faster heat moves from skin to fabric.
Moisture management. In peer-reviewed testing at 20°C and 60% humidity, lyocell absorbed 9.23% of its weight in moisture versus cotton's 5.54% — about 67% more. (A controlled fiber test, not a finished-sheet measurement.)
Durability. Hohenstein (ASTM) recorded first thread breakage at 18,000 abrasion rubs (D4966-22), a 4.0–5.0 pilling resistance (D3512), and tear strength of 10.4 lbf warp / 6.4 lbf weft (D1424).
Clean. Certified to OEKO-TEX® STANDARD 100 Class I — the strictest class, held to the same standard as textiles for babies under three.
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- Twin: 66" X 96" flat sheet, 39" x 75" x 12" fitted sheet, 20” x 29” pillowcases
- Twin XL: 66" X 96" flat sheet, 39” X80” X 12" fitted sheet, 20” x 29” pillowcases
- Full: 92” x 102” flat sheet, 54” x 75” x 15" fitted sheet, 20” x 29” pillowcases
- Queen: 92” x 102” flat sheet, 60” x 80” x 15" fitted sheet, 20” x 29 pillowcases
- King: 108” x 102” flat sheet, 78” x 80” x 15" fitted sheet, 20” x 36” pillowcases
- California King: 108” x 102” flat sheet, 72” x 84” x 15" fitted sheet, 20” x 36” pillowcases
Machine wash cold. Tumble dry low.
The At Home Trial lets you experience Buffy for 7 nights before buying.
When you place your order, a temporary hold will be placed on your card (which may appear as “pending” or “processing”) to validate your payment method. We only complete the charge when the trial ends 7 nights later. If you find Buffy isn't for you, email us at hello@buffy.co and we'll remove the hold immediately.
All customers are also entitled to our 50 night returns policy.
"Best Place To Buy Bedding"
"Best Overall Cooling Sheets"
"Best Gift For Expecting Moms"
"Best Bedsheets"
8,000 chemicals are used to process the average textile
Bedding labels don't name a single one. The Breeze is tested and certified by OEKO-TEX® to the their strictest CLASS I standard.
0 Pthalates
0 Formaldehyde
0 BPA or BPS
0 Industrial Softeners
0 Wrinkle-resist finishes
Softness you notice immediately
Awarded by Architectural Digest and House Beautiful for design versatility, softness, and cooling performance.
Oeko-Tex® versus Organic
While organic bedding standards like GOTS® ensure the original fiber is organically farmed — it doesn't lab test the finished product.
OEKO-TEX® CLASS I rigorously tests finished textiles to ensure all the steps in between the farm and your bed — chemical softening, brightening, fixing, and dying — are free of harmful substances.
Hot sleep is a moisture problem
Humidity trapped between your body and bedding cause overheating and sweating. TENCEL™ Lyocell helps absorb and release moisture, supporting a drier microclimate under the covers.
At Home Trial
–Pay $0 at checkout
–We only charge you after 7 nights
–Enjoy risk-free 50 night free returns