The KEEN Nxis Evo Waterproof shoe combines the lightweight agility of a trail runner with the protection and durability of a hiking boot which is perfect for casual and fast-paced hikes alike. A waterproof KEEN-DRY membrane equips this shoe for rain or shine and a KEEN. ALL-TERRAIN sole with horseshoe tread gives us the traction we need while we power ahead on an incline.