FLEXIBILITY: KEEN.BELLOWS FLEX is a proprietary technology that reduces energy use in the toe box and allows the toes to bend more than a traditional hiking boot; Wear and tear happens quickest in the upper where the material creases with each step and this feature flexes with your foot to eliminate that WATERPROOF: KEEN.DRY waterproof, breathable membrane keeps your feet dry and comfortable all day long by allowing vapor out without letting water in; KEEN uses PFC-free water repellency so that you leave the outdoors as good as you found them TRACTION & SUPPORT: KEEN ALL-TERRAIN rubber outsole provides high-traction grip in all environments with 4mm multi-directional lugs; Non-marking rubber outsoles leaves no trace or imprints when walking indoors; The stability shank provides support on uneven surfaces FIT & COMFORT: Breathable textile upper with TPU overlays offers all-day comfort ; The removable, PU insole and injected EVA midsole for provides excellent arch support and lightweight feel; Speed-lace system for a comfortable snug fit; Contoured fit follows the foot’s contours for a more secure fit CARE TIPS: Gently brush the footwear with a soft, damp sponge to remove loose dirt and restore surface; Stains should be treated immediately with a gentle cleaner