Unbranded Anti-Slip Swimming Fins Adjustable Strap Diving Fins Heel Swim Fins Flippers Snorkeling Scuba Equipment (X-Large)

Adjustable strap allows convenient adjustment for proper tightness and easy put on and remove the fins.
It provides you convenience to wear a fin sock or diving booties to protect your feet (you are suggested to choose a bigger size if wear with diving booties).
Ddrain hole is to outlet the water in time and streamlined body effectively reduce the water resistance for free exploration underwater.
Superior constructed, tough but flexible, neither too hard nor too soft for free action in the water.
Dua-channel drain holes: Quickly drain water and reduce the excess resistance of water flow.