Nike SB Dunk NATURAL MOVEMENTThe Hurley Phantom Free Slide Men's Sandal features a perforated slide strap for breathability and easy on-and-off.ULTIMATE FLEXIBILITYHexagonal flex grooves are hot-knife cut into the outsole, wrapping the sidewall to enable more natural motion. Secondary hexagonal and horizontal cuts intersect the flex grooves for even greater flexibility.NATURAL STRIDEThe heel and textured footbed mimic the shape of the foot, rolling with the ground to promote natural foot movement.MORE BENEFITS