WATERPROOF: KEEN.DRY waterproof, breathable membrane in KEEN women’s hiking boots keep your feet dry and comfortable in wet terrains; The Men’s Pyrenees Hiking Boot has a mesh liner that integrates with the waterproof membrane TRACTION: 4mm multi-direction lugs provide optimal grip for sure footing in the most rugged terrain; Non-marking rubber outsoles leaves no trace or imprints when walking indoors SUPPORT & COMFORT: External stability shank offers lightweight support for improved mobility and torsion control on uneven surfaces; Cushioned collar reduces irritation and discomfort around ankle; Mesh lining helps keep feet cool in warmer environments FIT & INSOLE: Removable, metatdual-density EVA footbed with arch support and cradles to the natural contours of the foot; This style is running ½ size small; KEEN suggests ordering ½ larger than your usual size CARE TIPS: KEEN recommends gently brushing the boot with a soft bristle brush or hand towel to remove loose dirt and then using a leather cleaner and conditioner to extend the upper’s life; Stains can be treated by lightly rubbing a gum eraser