Adaptive to multiple trail situations the keen womens gypsum mid waterproof walking boot is a versatile boot whether youre heading out for the day or on a multi day trek the waterproof nubuck leather construction offers ample durability and flexibility whilst the keendry waterproof membrane and adds an extra level of weather protectionthe dri lex moisture control collar wicks excess sweat way from feet ensuring a drier environment free from irritation and blisters keenprotect rubber