The Merrell Thermo Rhea Mid Waterproof hiker boots are built by women specifically for women. These mid-profile winter hiking boots are designed to keep womens feet comfortable with warm insulation and underfoot support that is strategically placed where it is needed most. Waterproof full grain leather upper. M Select DRY waterproof membrane keeps feet protected from the wet elements. 200g M Select Primaloft Gold Series insulation offers superior internal warmth for cold-weather days. Traditional lace-up closure with round fabric laces, leather loops, and sturdy hardware for a secure fit. Inside medial side zip for ease of entry. Bellows tongue keeps debris out. Conductor fleece lining for added warmth and an incredibly comfortable interior foot environment. 2 mm womens-specific Primaloft Aerogel over-the-toe insulation traps in heat where women need it most even when compressed. Removable Kinetic Fit Base insole is contoured for underfoot support and comfort. Compression-molded EVA midsole for stability and shock absorption. Molded nylon arch shank for added stability. Vibram Arctic Grip Dura 2 outsole for added durability and abrasion resistance plus grip on wet ice and packed snow. 5mm lug depth. Imported. Measurements: Weight: 1 lb 4 oz Shaft: 7 1 2 in Product measurements were taken using size 8.5, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.