About the Merrell Thermo Kiruna 2 Tall The Thermo Kiruna 2 Tall Hiking Boot from Merrell is a super versatile and durable boot in a lightweight and protective design to tackle any trail in the harshest of conditions. The upper is constructed with a weatherproof full-grain leather membrane for superior weatherproof, lightweight protection that's fully breathable. No matter where the trail leads, the Kiruna guarantees dry feet. The laces and webbing are also made from 100% recycled Nylon for a Planet Earth-friendly design. The padded collar makes for premium comfort around the top of the foot, while a protective shell offers extra durability to protect your feet against the elements. The 100% recycled fleece lining hugs your foot, and the removable EVA insole provides impeccable support across a variety of terrains. 400 grams of Primaloft Gold Eco Series Synthetic Insulation guarantees to keep your feet warm and dry in the harshest of conditions. The EVA Foam midsole makes for a lightweight ride that lasts a lifetime. Additionally, the Merrell Sticky Rubber Outsole unit is constructed to provide amazing traction and excellent grip in winter conditions no matter where the adventure leads. Thermo Kiruna 2 Tall Men Hiking/Snow Boots