KEEN Utility Men's Monmouth Mid Waterproof Work Boot 100% Leather/Synthetic Made in the USA or Imported Rubber sole Waterproof premium nubck leather and breathable mesh upper Keen. Dry waterproof breathable membrane Removable metatomical dual density ethylene vinyl acetate footbed Direct attach polyurethane midsole for long lasting comfort Integrated polyurethane heel cushion and thermoplastic polyurethane stability shank