SOLE: Kyodo. Extremely lightweight, flexible and thin in Vibram® rubber with unbeatable grip, to walk naturally and safely. FOOTBED: optional removable footbed to customize the level of sensitivity and shock absorption. UPPER: in microfiber and 3DAir mesh for the optimal breathability. Designed for use in water or land activities. SIZES: 35-42.WEIGHT: 190 gr (37 EU).