Cressi EBS Elastic Bungee System Fin Strap 2 for Reaction/Frog Plus Fins, Regular Fit (Small/Medium-Medium/Large) For Cressi Reaction or Frog Plus Fins The wrapping section is highly flexible, making adjustments unnecessary 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-fi ngered gloves for winter water