Loved for fast and light three-season adventures, our award-winning Ultra light series Insulated air mat packs small, has an R-value of 3.1, is 5cm thick and harnesses our Air Sprung Cell technology for lightweight comfort and support.For more info and specs: https://seatosummit.com/product/ultralight-insulated-mat/

The updated Ultralight Insulated mat from Sea to Summit offers warmth and comfort in a super lightweight and small package with improved insulation for a warmer nights sleep. Sea to Summit saysThe Ultralight sl