Lowa Women's Ferrox GTX Mid WS-W 100% Nylon Imported Rubber sole Our patented lasted gore tex lining that delivers wrinkle free blister free waterproof breathable comfort Injected monograph polyurethane midsole technology that allows us to dial in just the right ratio of stability to weight Three fourth length medium stabilizer Lightweight synthetic uppers provide glove like support in a super lightweight material NXT outsole is designed with sipped hikers and fast packers in mind