You'll be able to step confidently on the ice wearing the Striker Ice(R) Men's Ice Fishing Boots. They are constructed out of neoprene and rubber to provide you with amazing waterproof properties. Its Thinsulate(R) insulation will keep your feet comfortably cozy with a -40deg warmth rating. Technology 3M Thinsulation(R) insulation to provide you with a -40deg warmth rating Design Molded rubber sole Neoprene upper for comfortable, foldable wear EVA removable footbed An easy-on pull tab Style: 314503