You'll understand why you had a nightmare that you were a human fly stuck to a yellow fly trap when you wake up in a cold sweat and find yourself stuck to your own sleeping pad. Designed to take the stick out of your sleeping pad on those hot and muggy nights, the Sea To Summit Coolmax Fitted Sheet is made from a moisture-wicking Coolmax fabric and is fitted with dual drawcords, allowing the sheet to fit securely over your large Sea To Summit sleeping pad.