six six one Rage Hard Elbow Guard (Black, X-Large) ULTIMATE PROTECTION WITH INTERNAL HARDCAP ABRASION RESISTANT WITH STRETCH KEVLAR SIDE IMPACT PROTECTION WITH EVA FOAM PADDING VENTILATION THROUGH PERFORATED NEOPRENE/MESH CONSTRUCTION 50% NEOPRENE, 15% KEVLAR, 15% EVA, 15% NYLON, 5% PLASTIC