IST F1 Traditional Rubber Scuba Diving Fins - Military Grade Open Vent Swim Fins for Scuba Diving, Snorkeling & Water Sports - Professional Dive Gear for Ocean Exploration & Underwater Adventures

This is the IST F1 Traditional Rubber Scuba Diving Military Dive Fins Open Vent Fin

Features:

• 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
  (item no.: FS11)