Merrell Thermo Rogue 3 GORE-TEX Mid Women's Walking Boots Stripped of the bulk but packed with performance. The award-winning Thermo Rogue includes 200g of Primaloft Gold Eco insulation and Vibram Artic Grip to keep you sure-footed and warm in even the toughest winter conditions. Jacquard and TPU upper The durable and breathable Jacquard and TPU upper of the Merrell Thermo Rogue 3 GORE-TEX Walking Boots ensure you are able to go the distance in complete comfort. Perforations in the fabric encourage cool air to circulate, removing uncomfortable heat build-up to create a healthy environment for your foot to thrive in. Engineered with a GORE-TEX waterproof membrane, the Thermo Rogue 3 offers complete waterproof performance and exceptional breathability; step confidently and comfortably through wet and snowy conditions as the GORE-TEX membrane allows water vapor to escape without letting water droplets in. Primaloft Gold Eco synthetic insulation over the foot and ankle keep your feet warm, helping your joints stay warm and ready to keep warm no matter how cold it gets. A bellows tongue helps to keep out debris and an integrated lacing system helps to lock down the midfoot for a glove-like fit. Lastly, a Gaiter D-Ring allows you to attached a gaiter for extra protection. FloatPro Foam Midsole Within the midsole Merrell's signature FloatPro Foam has been used to ensure a light, durable ride. The midsole ensures ample underfoot cushioning to reduce the impact placed upon the feet on tough trails whilst remaining as lightweight as possible so you'll never feel weighed down. The lightweight midsole offers supreme cushioning and support to key areas like the arch and heel, holding the foot securely in place for a smoother transition and wear. By supporting these key areas of the foot, the midsole material can also help to offer enough support to help prevent discomfort and possible injury