IST SPORTS Set FLIPPERS RUBBER ROCKET FINS Scuba Diving Snorkeling MILITARY

Gorgeous set of IST rubber rocket fins, #1 military use, durable and well-made, size large (L) - US 6/7, EU 37-39. According to manufacturer website product description: "Traditional rubber fin with proven design. By combining features such as special blade curvature, varying degree of flexibility and structural ribs, the product is positive forward thrust with spring-like effect. The open vents efficiently channels the water flow to give added energy saving effect. Stainless steel spring fin strap compatible."  Stock photos pictured, same as my pair, in great shape!