EBS Straps for open heel scuba diving fin. Cressi has developed this special strap to meet the needs of the most demanding divers. Its special amply sized slot makes it very easy to put on, even when wearing thick Gloves or three-fingered Gloves for winter water. The wrapping section is Highly flexible, making adjustments unnecessary Features special strap to meet the needs of the most demanding divers wrapping section is Highly flexible special amply sized slot Cressi Elastic Bungee Fin Strap System Fits: Cressi Reaction, Cressi Frog Plus and Cressi fins with the Cressi proprietary fittings Replacement bungee strap for compatible Cressi fins Easy to use and no adjustments needed Large Grab Tab Loop, Easy Donning and Doffing Grab Tab Loop: Works Well with Heavy Gloves Extremely Comfortable, Depth Compensating Design Complete with Hardware Construction: Rubber Bungee and Plastic Buckles Specifications Sizes:Short Fit - 18 cmRegular Fit - 21 cmExtended Fit - 24 cm Please Note: Please check the style of your fins before purchasing.