Exped Bivy Booty Olive Grey Small. The ultimate overshoe for basecamp winter camping or just walking around camp in the woods. The durable sole is made of environmentally friendly TPU material and pulled up high around the sides as protection against ice sharp edges and twigs. The padded heel is made of the same durable EVA foam of the inner sole and insulates when legs are stretched out on cold ground. Two adjustable elastic cords can be handled easily even with gloves to cinch the Bivy Booty tight. All seams are factory taped and the 3 layer outer shell(Exped VentAir) is highly vapor permeable. Specifications for Exped Bivy Booty: Manufacturer: Exped Gender: Unisex Age Group: Adults Color: Olive Grey Fabric/Material: 15 D Ripstop Nylon Package Contents: Exped Bivy Booty Exped 7640445455275: Bivy Booty Olive Grey Small