ICEBUG Metro2 BUGrip Boots Black size EU 37.5 US 7 Whether you're commuting to work, picking the kids up from school or shoveling the driveway, the women's ICEBUG Metro2 BUGrip boots will give you the traction you need to get out in icy conditions. Suede leather. Uppers are made with water-repellent suede leather that is gold-rated by the Leather Working Group (LWG) Protective polyurethane (PU) mudguards Recycled fleece linings are made from GRS-certified PET polyester textile Midsole EVA contains 20% BLOOM™ foam, made with algae harvested from waterways where the algae population is too dense to be beneficial to the ecosystem Zippers on the inside of the boots make them easy to get on and off Outsoles have 16 BUGrip® studs, made from durable carbide steel for reliable traction ICEBUG compensates 200% of emissions, is a Fair Wear Foundation member and is a 1% for the Planet member