ENDURANCE RUBBER FOR STRENGTH AND SPEED TRAININGThe Short Speed Belt is designed for speed, strength, endurance and acceleration training in water. It enables more powerful and efficient starts and turns. With a total elastic length of 1.2 meters and a maximum extension of three times its initial length, it's the perfect tool for high-speed swimming work. The unique adjustable anchoring strap system enables it to be adapted to all sizes of swimmer. Thanks to the exclusive ISC (Inner Safety Cord) system, it ensures that the maximum length is not exceeded, protecting the swimmer and preventing damage in the event of breakage.