Sleepcell Coolvent Premium Extra Large Sleeping Bag Coolvent - Control the inner temperature with the glide of a zip (European Standards EN 13537). Durable Ripstop Shell - Protect yourself from the elements surrounded by a soft Moisture Wicking liner. Removable Air Pillow - With a Memory Foam Pillow Liner and soft to-the-touch brushed polyester cover. 3 lb./1.36 kg Litron Hollowfill - Locked between two layers for added warmth. Stuff Eze Stuffsack - Easy to pack expandable compression bag.