MERRELL Women's Siren 4 Thermo Mid Zip Waterproof

A winter-ready boot with a women's-specific fit that combines function and all-day wearability. Waterproof exteriors and 200 grams of insulation will keep you dry and warm for your typical cold-weather winter activities. 200 grams Primaloft® Gold Eco Series synthetic insulation Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces Heavy-duty, Waterproof, YKK zipper for easy on and off Protective and abrasion resistant rubber toe cap Cleansport NXT™ treated for natural odor control FloatPro™ Foam midsole for lightweight comfort that lasts