1. Ergonomic Aluminum bar
Ergonomic Aluminum bar is detachable and movable in accordance with thick of knee. It is designed to fit for everyone regardless of age or sex. 4-way stretching material.
2. Hi-Prene Material
nee Freedom is made of hi-prene material (4-ways stretching material), which has high density, good stability and force of restitution. It holds your skinwell and comfortable of support your knee.