Just the flat sheet — the top layer on its own, in copper-infused bamboo viscose. Breathable, it sleeps cooler than cotton and helps the fabric resist odor-causing bacteria, so it stays fresher between washes. Generously sized for full coverage and easy layering, sold à la carte in your exact size. What makes it different Sleeps cooler than cotton — Breathable bamboo viscose wicks heat and moisture away all night, so the bed stays cool instead of trapping warmth. Stays fresher between washes — Copper threads are woven directly into the fabric — not a coating — and help it resist odor-causing bacteria. Silky-soft, gets softer with every wash — A smooth bamboo viscose weave with a cool, drapey hand. Naturally hypoallergenic — Gentle on sensitive skin and resistant to common allergens. Generous coverage — Cut for a full tuck-in and easy layering across every standard size. Materials 80% Copper-Infused Viscose from Bamboo, 20% Polyester — 330 Thread Count.