WATERPROOF AND ULTRA-WARM Whether in snow, slush, mud, or rain, this waterproof-breathable boot with a thermal-reflective lining is made to keep you warm and dry in the elements. SUPPORTIVE AND GRIPPY Hike comfortably for hours with the cushioned midsole for extra support and advanced traction for uneven terrain. - Cordura textile upper - Omni-Tech waterproof breathable seam-sealed membrane bootie construction - Omni-Heat reflective lining - 200g insulation - Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return - Omni-Grip non-marking traction rubber