Decathlon | TOPFINS 900 RIGID LONG SWIMMING FINS - BLACK RED

Long and rigid swim fins, the perfect compromise between speed, muscle workoutand cardio training. This fin allows you to build up muscle strength andendurance. **Key benefits:** * Propulsion: 5 * Propulsion: The best propulsion in the Nabaiji range of swim fins. * Muscular workout: 4 * Muscular workout: The rigid structure of the fins provides an intense muscle workout. * Cardiovascular workout: Fins enabling a good kicking frequency and cardiovascular workout * Stability: The open foot pocket provides a good hold and great freedom of movement.**Technical information:**WHAT ARE SWIM FINS FOR?: A fin is a piece of swimming training equipment towork the lower body. Swim fins are ideal for swimming faster, for longer. Youcan simultaneously work on your heart rate and muscle building on the lowerbody (thighs, glutes and calves as well as core stability) ; FIN LENGTH: LONGFINS \- 37/39: 41 cm \- 40/42: 42 cm \- 43/45: 45 cm Long-blade fins maintaingreater muscular exertion and ensure a more sweeping kick than short-bladefins. ; STIFFNESS: RIGID FIN The rigid fin design is guaranteed via orangeplastic inserts. The more rigid the blade, the greater the muscle workout, thesofter the blade, the fuller and more effective the stroke. It is theresistance of the blade that will generate the type of exercise desired(cardiovascular or muscle workout). ; FOOT POCKET: OPEN FOOT POCKET The footpocket of a fin holds the foot in place when kicking (important for anefficient kick) so take the time to try on the fins before buying. It isimportant to check that the foot fits well in the foot pocket and theuncovered area (to prevent water from entering). It is important to choose theright size. There are two types of foot pockets: full foot and open heel.