Reef Cushion Spring Men's Sandals. This understated, super comfy flip flop is just right for hanging out at home or grabbing a brewski with your mates. With a vegan leather strap and super soft padded jersey lining, plus our most comfy ever footbed that blends cushioning with rebound support, and a light yet durable rubber sponge outsole.. |Our most comfortable footbed yet, featuring the perfect blend between cushioning and spring back support |Lightweight and durable rubber sponge outsole. |. .