GM Diamond Batting Pads Features:. PVC Leather Facing with High Density Foam/Reverse Cane Construction. Low Density Foam Vertical Bolster for comfort with One-Piece Low Density Interior Bolster for extra protection. Dual Layer Foam & Fibre, Foam/Cotton Knee Locator. 2” Strap x 2, 1” Strap x 1. PVC Instep for durability