The Wahoo Slip On from Sperry features genuine handsewn construction for durable comfort. Padded tongue and collar for added comfort around the foot. Molded backstay for added support and stability. Removable full-length molded footbed with heel cushion allowing full foot shock absorption. Internal contoured EVA midsole for added comfort. Non-marking rubber outsole with Wave-Sipining for the ultimate in wetdry traction.