Classic trails call for classic boots. Blending traditional all-leather construction with modern waterproof/breathable technology, the Pyrenees are built to keep feet dry and comfortable over long days and rough miles. European styling conceals a KEEN.Dry membrane that seals out precipitation while allowing moisture to escape. FEATURES: 4mm multi directional lugs KEEN.Dry waterproof breathable membrane Torsion stability ESS shank Material Waterproof nubuck leather upper Non-marking rubber outsole leaves no trace Dual density compression molded EVA midsole Removable metatomical dual density EVA footbed Technologies KEEN.DRY A proprietary waterproof, breathable membrane that lets vapor out without letting water in. Metatomical Footbed Design This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.