4 chamber. this item fits up to the following measurements:. leg length (crotch to heel) 36.5"/92.7. groin 33"/83.8. mid thigh 32"/81.3. mid knee 30"/76.2. mid calf 26"/66. ankle 21.5"

Quantity Per Sell: 1
Dimensions: 12.1 X 7.1 X 4 Inch
Weight: 1.6lb
SKU: GS-3045-L
Independence Item # DWGS3045L