*NGL bio chitosan support series are designed for complementing those hard and soft type drawbacks
*Material: made from deep sea crab shell
*Red column layer allows joints be firmly wrapped and supported to prevent soreness
*Special designed waving pattern and elastic fiber for bending side to contribute comfort and convenience while joint is moving
*Absorbs sweat, ventilates well, deodorizes, antiseptic, and protects skin as well as keeps warm