Stay warm and dry this winter with the waterproof suede leather and mesh upper, 200 grams of Primaloft® Gold Eco Series insulation, and a Vibram® Arctic Grip All Terrain outsole for superior traction and durability. Perfect for both outdoor adventures and everyday wear.Merrell Womens Thermo Snow Grip Mid WP Features: Waterproof membrane seals out water and lets moisture escape Waterproof suede leather and mesh upper 100% recycled laces Metal hook and eyelets for added durability Bellows tongue keeps out debris Padded collar Protective and abrasion resistant synthetic heel and toe cap Heel loop for ease of entry as well as carabiner compatibility 100% recycled breathable mesh lining 200 grams Primaloft® Gold Eco Series synthetic insulation 50% recycled removable EVA foam footbed Molded nylon arch shank Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot Vibram® Arctic Grip All Terrain outsole designed to effectively extend the winter traction season, due to the enhanced durability and versatility Vibram® XS Trek Evo outsole designed to provide optimal balance of traction and flexibility on wet surfaces Lug: 5mm Shaft height (top of midsole to top of boot): 4in, 101.6mm