Barefoot Sandals' highest performer, the NEW Cairn Evo 3D PRO is the ultimate adventure sandal. Upgraded with a more refined 3D toe-triangle and abrasion-proof wing construction. Extra-sticky Vibram® Megagrip outsole and unique hook-and-loop system locks feet in from heel to toe for a fit that won’t fail in the frothiest rapids or thickest silt.