Whether your dive is for business or pleasure; the time it takes to replace a broken strap can be costly. Now you won't lose another dollar or miss that once in a lifetime moment to strap problems The only split-fin with built-in commercial grade strap Apollo's split fin design is consistently rated as the fasted fin in the water providing excellent maneuverability and position control Strap automatically adjusts to changing conditions; no stopping to tighten down a loose strap Durable stainless steel coil spring will not rust or break Rugged rubber grip with finger loop is easy to access, even with thick gloves 20° angle of blade ensures that the fin works with the natural resting angles of ankle and knee Up to 40% reduction in muscle fatigue, energy use, and air consumption; longest recorded bottom times during testing Small (7-8 Men's/8-9 Women's) Pro OnlyMedium (8-9 Men's/9-10 Women's)Large (9-11 Men's/10-11 Women's)XL(11W-13+ Men's/12+ Women's)
