This winter boot features Vibram® Arctic grip® for traction and a waterproof shell with insulation cold-weather for protection.FEATURES • Waterproof membrane seals out water and lets moisture escape • Protective shell keeps feet dry • Full grain leather upper • Metal hook traditional lace closure • Bellows tongue keeps out debris • Snowshoe strap ridge for stability • Fleece lining for added warmth • Lightweight, low bulk insulation keeps you comfortable • Kinetic Fit™ ADVANCED removable contoured insole with reinforced heel cushioning for medium support • Molded nylon arch shank • Merrell Air Cushion in the heel absorbs shock and adds stability • Lightweight EVA foam midsole for stability and comfort • Vibram® Arctic Grip™ All Terrain outsole design for grip on wet ice and mixed winter conditions • 5mm lug depth • Weight: 2lbs 9oz/1160g (full pair)