The Merrell Women's Siren 4 Thermo Waterproof Tobacco winter hiking boots are perfect for your winter hikes. Boasting a waterproof full grain leather and knit upper, ensuring your feet stay dry and comfortable even in the harshest conditions. Its heavy-duty YKK medial zipper closure makes getting in and out a breeze, while the round toe provides ample room for your toes. With features like 100% recycled fleece lining, Primaloft® Gold Eco Series insulation, and SOLARCORE® Aerogel insole, these boots are designed to keep you warm and cozy on your winter adventures. Plus, the Vibram® traction lugs and Icetrek outsole.