3N2 Men's Reaction Referee Sneakers,Black,10.5 M US Synthetic Ultimate indoor officiating shoe, non slip bottom for performance in the clutch, patent leather for easy clean and shine Maximum cushioning for increased comfort, velcro strap for adjustable sizing. Revolutionary The velo runner is a running shoe for pace settersnot pace keepers Lighter than its competitors, it barely moves the needle at only 7.0 Ounces heavyweight presence in a featherweight frame