Our original out-of-the-box comfort hiking boot goes fast & light. Built with a roomy toe box and high-rebound KEEN.ReGENX foam, it absorbs impact to deliver a responsive, energized ride from trailhead to summit. DESIGN: Durable performance mesh upper Breathable mesh lining Original Fit roomy forefoot PFAS-free water repellent Eco Anti-Odor odor control IN-SHOE COMFORT: High-rebound KEEN.ReGENX foam Nearly 70% energy return Removable foam insole Contoured arch support KEEN.DRY waterproof membrane DURABILITY & TRACTION: KEEN.ALL-TERRAIN rubber outsole Multi-directional lug pattern KEEN.TERRAIN SHIELD stability wrap Lightweight stability shank Non-marking rubber traction