WATERPROOF: KEEN.DRY waterproof breathable membrane keeps your feet dry and comfortable all day long by allowing vapor out without letting water in; A performance mesh upper offers breathability while the durable overlays protect the boot in key areas TRACTION: KEEN ALL-TERRAIN rubber outsole provides high traction grip in muddy environments and on rocky surfaces with 4mm multi directional lugs; Non marking rubber outsoles leaves no trace when walking indoors SUPPORT: External Support Shank delivers balance on uneven surfaces; Heel capture system provides next level stability FIT: KEEN Original Fit had a wider toe-box than the industry standard allowing toes to splay for a more planted feeling; Mid profile upper for comfort and secure fit with padded tongue and collar COMFORT: Removable metatomical footbed design provides excellent arch support and cradles to the natural contours of the foot