WHALE Adult Short Snorkeling Swim Fins Flippers with Adjustable Heel Water Sports

Size reference: XSM: 4-8 (), 36-41 (), 22-25 (JP); MLXL: 9-13 (), 42-47 (), 26-29 (JP). Sturdy side rails to channel the water & pre-bent design for a natural kick. Soft foot pocket with easy-to-adjust strap. Soft short blade and elastomer foot pocket able to be put on quickly and easily. Accommodates 4-5 consecutive sizes and can be worn over thin footwear.