EUCWaterproofed nubuck leather and flexible nylon mesh uppers offer ample durability, flexibility and breathability for comfort on the goKEEN.DRY™ waterproof breathable membranes keep feet dry from the outside while allowing perspiration to dissipate from the insideEVA footbeds are shaped to provide ample cushioning and arch support; can also accommodate orthoticsDual-density midsoles use a mix of EVA and polyurethane to supply shock absorption and padding for all-day comfortSupportive thermoplastic urethane shanks enhance torsional stability on uneven terrainS3 (shock, suspension, stability) drop-in heel inserts support the feet on impact, dissipate shock and help reduce the chance of twisting an ankleKEEN Alamosa WP women's hiking shoes boast nonmarking rubber outsoles with 4mm multidirectional lugs for excellent all-around tractionFit tip: runs about a 1/2 size small