Drain tech outsole: unique water drainage system and extreme breathabilityElastic laces for easy slip-on and ergonomic fitFlat outsole design for extra board contact and response with extreme, non skid mark, grip patternLaminated perforated foam insole for extra comfort and extreme breathabilityLightweight quick drying upper fabricNeoprene cuff for comfortable wearing when wetUpper stitched to outsole for extra durability