4mm multi-directional lugs for traction KonnectFit heel-capture system for a locked-in feel Speed-lace webbing system with top collar hooks for comfortably snug fit KEEN.DRY waterproof, breathable membrane 8mm heel-to-toe drop Eco Anti-Odor for natural odor control PFC-free, durable water repellent KEEN Comfort Heel Control for Achilles padding and a more secure fit TPU reinforcement for added durability in key zones Original Fit-Iconic KEEN fit with generous space across forefoot for toes to spread out
