Knee-Shin Combo features articulation of knee pad with added shin and lateral knee coverage. RPT (Reactive Protection Technology) is a blend of PORON XRD and G-Form's Proprietary materials. Pads are sold in pairs. Updated wicking fabric. Anti-abrasion coating keeps the pads intact crash after crash. Low-profile enough to wear under clothes. Vented air-flow system to regulate temperature. Color: Black. Size: Medium. Protection Area: Knee/Short Shin. Defined Color: Black.