Winter doesn't stand a chance, discover a whole new world of grip and performance on slippery, wet ice. The Aurora 6 comes with Arctic Grip, the most advanced cold weather gripping system Vibram has ever created. Now you can tread everywhere in confidence. With waterproof shell with Thinsulate for protection and added warmth, you'll be warm and on your feet all winter long. Features: - Vibram(R) Arctic Grip(TM) outsole provides unparalleled traction on wet ice even in the most extreme winter conditions - Leather upper - TPU waterproof shell - Traditional lace closure - Bellows tongue keeps debris out - Conductor(TM) Fleece lining for added warmth - M Select(TM) WARM lightweight, low bulk 200 grams insulation keeps you comfortable - Single density removable footbed - Molded nylon arch shank - Merrell air cushion in the heel absorbs shock and adds stability - 4.5 mm lug depth - Weight: 2lb 6oz / 1065g