The Friendly Swede Sleeping Bag Liner, Travel Sheets for Hotel, Camping Sheets, Adult Sleep Sack, Travel Sleeping Bag - Ultralight Polyester or Microfiber Cotton Feel - Pocket-Size with Stuff Sack

CottonZipper closure✅ COTTON-SOFT AND WARM AGAINST YOUR SKIN: This Microfiber version adds up to 10°F to your sleeping bag during cold winter and fall nights, while transporting away sweat and moist from your body during hot summer and spring nights.