Material: Bare Bottom - Super Soft Microfiber infused with Spandex - Designed for Sleeping Naked Construction: Lightweight Down Alternative Fill - Machine Washable (Gentle Cycle / Cold Wash) Important Information: Created for warm sleepers or warmer climates - designed for those who want the Coma Inducer plushness without the heat Includes: Twin XL Comforter - 68" x 90" (Shams Sold Separate) If you sleep warm or live in a warmer climate that makes getting comfortable at night a little tricky, we have a solution! Our Summertime - Coma Inducer Oversized Comforter from Byourbed combines lightweight bedding materials that are big on comfort without causing you to overheat. The silky soft Bare Bottom material encompasses a lightweight down alternative fill, that's great for both seasonal and summer use.