High density foam provides greater cushion, insulation and comfort Diamond shape, die-cut foam core is supportive and light Lightweight, non-slip 70D hexagonal rip-stop nylon top and 70D nylon bottom Internal polyurethane coating Non-breakable brass valve with plastic coated EZ-Flate™ mouthpiece Store unrolled with valve open Big Agnes Gyro stuff sack and repair kit included Add a closed cell foam pad in colder temperatures for extra insulation Each pad individually inflated and tested EZ-Flate