* Dual function design improves body position and builds upper body and core strength.
* The ergonomically designed keyholes allow swimmers to easily move the buoy from ankles to legs.
* EVA foam provides durability and prevents skin irritation

Specification:
* Product Dimensions: 4.33 x 9.84 x 6.69 inches
* Immobilizes the legs, shifting focus to increase upper body strength
* Improves hip rotation and increases core strength.
* Raise your hips and legs for proper technique
* It works as an ankle float and a buoy.
* The FINIS Axis buoy was the first dual function traction buoy introduced to the swimming market.