NEW SEASON SIZES For protection against the strength of big waves. The protect series leashes have all the bells & whistles of the essential series - with added strength. Free shipping Performance Size Features Wave size; 6-12 ft. In-cuff silicone grip, preventing ankle twisting. Hypalon pull tab for ease of release. Extra strength moulded velcro. Extended overmould reduces tangles. Contoured horn conforms to shape of ankle. Wave Size Recommended Wave Size: 4 - 12 ft