For large areas including the lower back, abdomen and chest. Contoured fit for knees, elbows and ankles. Sleeve material is polyester knit covering with elastic hinge connecting dual compartments. The replacement bladder is made of two-layer
For large areas including the lower back, abdomen and chest. Contoured fit for knees, elbows and ankles. Sleeve material is polyester knit covering with elastic hinge connecting dual compartments. The replacement bladder is made of two-layer