Our design teams developed these swimming fins for swimmers who want to build muscle in their hamstrings and glutes.
Fin length
TONIFINS are long fins.- 36-37: 36.5 cm
- 38-39: 39 cm
- 40-41: 41.5 cm
A SHORT blade ensures good kick frequency and a good cardio workout. The movements are very close to "natural" swimming movements. A LONG blade ensures a wider kick and a stronger muscle workout. The long blade of the TONIFINS fins makes the targeted muscles work harder.
Fin stiffness
TONIFINS are semi-rigid fins. Stiffness is characterized by material density. As such, the stiffer a blade, the greater the muscle strain. The more flexible a blade, the more efficient and comprehensive the kick will be. How hard you kick will depend on the type of workout you want to achieve (cardiovascular or muscular).
WHAT ARE SWIMMING FINS USED FOR?
Swimming fins are training accessories that help to exert stronger muscle effort in the lower body. The efforts you make during exercises will improve your heart rate and strengthen your abdominal muscles and lower body (thighs, glutes, calves). The efforts you make when swimming with fins burn fat and shape your body.
An innovation at DECATHLON
Many female swimmers use swimming fins to strengthen their legs. Conventional fins concentrate effort on the quadriceps, and the hamstrings and glutes work very little. We designed these pool fins with a blade at a 38° angle to strengthen these muscles by increasing resistance when the fin moves up and reducing effort as the fin moves down.
FOOT POCKET
TONIFINS fins have open foot pockets. Fin foot pockets hold the foot in place during kicking (important for an efficient kick). Open foot pockets allow greater freedom of movement for the ankles. Closed foot pockets keep your feet in their natural position.
These long and semi-rigid swimming fins feature an innovative blade at a 38° angle that increases the work of the hamstrings and glutes.
Propulsion
Improve your propulsion in the water thanks to the long blades of these fins.
Muscular workout
Strengthen your hamstrings and glutes thanks to the 38° angle of the blades.
Our design teams developed these swimming fins for swimmers who want to build muscle in their hamstrings and glutes.
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