What if a hiking boot could move with you? Like really move with you. KEEN took their proven hybrid hiker-sneaker platform and added their new KEEN.BELLOWS FLEX technology for a men's waterproof, lightweight hiker that flexes where you do. Details Non-marking multi-directional lugs for increased traction 4mm multi-directional lugs for traction Stability shank delivers lightweight support Contoured heel lock for a more secure fit Speed-lace webbing system with top collar hooks for comfortably snug fit KEEN.BELLOWS FLEX in the upper for more bend and less wear Recycled PET plastic Eco Anti-Odour for natural odour control PFC-free, durable water repellent TPU reinforcement for added durability in key zones KEEN Men's Tempo Flex Mid Waterproof Boot Triple Black