Tall height, breathable nylon shell to protect from the elements; Speed and 3-ghillie lace up, front fastening systems with toggle for perfect fit; Slip-on style with pull loop at the back for ease of entry; Polar Rubber heel and forefoot for maximized grip and durability; Hex-designed LiteGrip Blend outsole for lightweight cushioning and grip; Reinforced Hex toecap for abrasion resistance; Removable anti-fatigue insole; Thermaplush soft, next-to-foot wicking layer for warmth; Form-fitting B-Tek Foam lining for comfort; B-Tek Heat lightweight, 4-channel hollow-fibre insulation for high-loft breathability in a broad range of temperatures