Adaptive to multiple trail situations the keen mens gypsum ii mid waterproof walking boot is a versatile boot whether youre heading out for the day or a multi day excursion the waterproof nubuck leather and mesh upper construction keeps your feet dry whilst the keendry waterproof membrane adds an extra level of protection extra heel support and stability shank protect your feet on mixed terrains whilst the keenzorb strobel absorbs shock on impact and adds extra spring with every step t