1.80 Approx Weight Per Pair (KG). PVC Facing. High Density Foam/Reverse Cane Construction. Low Density Foam Vertical Bolster. Stitched-In Top Hat. Plastic Fibre/Dual Layer Foam/LD. Foam/Cotton Knee Locator. Two 2" Straps. One 1" Strap. PVC Instep.