4 chamber. this item fits up to the following measurements:. leg length (half leg) 19"/48.3. groin na. mid thigh na. mid knee 29"/73.7. mid calf 27"/68.6. ankle 23.5"/59.7. arch 22"/

Quantity Per Sell: 1
Dimensions: 8.8 X 7 X 3.7 Inch
Weight: 1.2lb
SKU: GS-3045-H
Independence Item # DWGS3045H