<!--ProdInc[180038710]/Mall:[reioutlet_US]-->Engineered synthetic leather and textile uppers with highly breathable and abrasion-resistant Perspair\u00AE side panels GORE-TEX waterproof\/breathable liners ensure that no water gets in, while allowing sweat and moisture to get out PrimaLoft\u00AE Aerogel\u00AE toe caps are made with an extremely lightweight gel used by NASA to insulate space suits Toe caps provide premium insulation with minimal bulk or weight, and they dont pack down over time, helping keep you moving in very low temperatures Semirigid TPU heel clips are crampon-compatible and are built to handle extreme temperatures and icy conditions LIBA\u00AE Smart TPU mudguards are lighter and tougher than rubber to provide extra protection and durability Removable OrthoLite\u00AE footbeds have 3 layers of varying density combined for maximum cushioning and support The entire footbed is made of open-cell polyurethane for better heat dissipation and air circulation Vibram\u00AE SPE rubberized EVA midsoles maintain the same cushioning properties as traditional EVA but is more durable and wont break down as easily The midsole technology enhances rebound, comfort and support Vibram Mulaz outsoles are made of a sticky rubber compound that provides optimal traction on rock, snow or mud Designed in collaboration with Americas oldest search and rescue organization based in Hood River County, Oregon