Features: *Patent-pending Alpha Technology *Rubber-clad neoprene for ultra lightweight comfort with 100% waterproof protection *1000 gram Thinsulate Ultra Insulation for ultimate warmth *Naturally insulating 3.5 mm neoprene provides warmth *100% ozone-resistant and scent-free rubber *Sport Chassis outsole system cradles your foot for all-day walking comfort and provides torque stability on uneven terrain *Double-reinforced toe and heel *EVA midsole and footbed for all-day cushioning comfort *Fleece lined for moisture management *Back gusset with Cam-Loc buckle design for bulky clothing or larger calves *Fiberglass shank for lightweight arch support Specifications: *Upper: Rubber-clad neoprene *Insulation: 1000-gram Thinsulate Ultra insulation *Performance Features: Sport Chassis outsole system, ozone-resistant and scent-free rubber, back gusset with Cam-Loc buckle *Technology: Alpha *Outsole: Treestand *Footbed: EVA *Midsole: EVA *Shank: Fiberglass *Height: 18" *Weight: 5.5 lbs. per pair *Available in Mossy Oak Break-Up Camo pattern