2013 Alpinestars Arbiter Motorcycle Gloves - 2X-Large Exceptional impact protection afforded by Carbon Fiber knuckle protectors. Lightweight hybrid leather and air mesh upper construction offers the ideal combination of durability, abrasion resistance and comfort. TPR impact protectors on fingers for impact and abrasion resistance. Reinforced landing zone with built in foam padding offers additional impact protection. Reflective backhand detail.