The new Vibram Arctic Grip All Terrain outsole with Vibram XS Trek Evo compound provides advanced traction on all terrains including wet ice, snow, mixed/loose surfaces and hard pack; superior grip no matter the season. Built for high performance in cold weather, the Nomadic Sport delivers unparalleled waterproof warmth and superior traction in a sporty casual boot you can wear most anywhere. The sleek upper is constructed from a 100% waterproof textile with a soft, thermal fleece lining and 200G insulation to provide all day warmth and comfort when temperatures can reach down to -20F / -30C.