Built around the yet-to-be-beat, lightest, strongest, best-fitting Infinity Plate System, the are a dream to step in and lace up. The lacing system keeps your foot comfortably snug in the ergonomically shaped heel pocket surrounded by the Cush liner. The SL offers surgically precise response with its balanced supportive design.• Balanced supportive design• Infinity plate for lightest, strongest foundation• Impact strap integrated with lower lace• Cush liner with shock pads• Deep heel pocket with built-in Achilles pads• Dual lace design• Gorilla grip Cush liner with shock pads Balanced supportive design for precise response Impact strap integrated with lower lace | SL Wakeboard Boots size XS