TwisterCane BioFoam Hiking Seats are engineered for ultralight backcountry summer trips to high alpine winter conditions. The closed-cell foam technology provides a firm, cushioned barrier between you and the ground; smooth on one side with a tire tread pattern on the other. Made from sugarcane biomass in a process that removes carbon from the atmosphere and sourced in an environmentally sustainable manner. Features More environmentally conscious material with unique EVA foam that contains more than 60% sustainably grown sugarcane resin The sugarcane resin we source is derived from sugarcane grown and harvested in an environmentally sustainable manner, and audited by a third party A comfortable backcountry seat or for kneeling on uneven ground, adding protection from dirt, wet grass, or snow Provides a firm, insulated barrier with closed-cell foam technology and balance between warmth and comfort with die-cut peaks and heat-trapping valleys More warmth and comfort with two foam layers of texture for option of dimples up or dimples down Light enough to carry anywhere and makes a great bleacher seat for spectator events Rolls tight to save space and weight Durable and long lasting Construction + Materials Unique EVA foam contains more than 60% sustainably grown sugarcane resin Thickness: 0.5" /13mm Width: 20" / 51cm Length: 12" / 30cm R-Value: 1.7 Specs + Sizing Packed Weight 2oz / 57g Packed Size 3" x 11" / 8 x 28cm