Easton M10 Leg Guards has an asymmetric design for the right and left legs. TRUBLOCK™ anti-roll design creates stability in and out of the blocking position. Inner Knee Protection (IKP) with ZERO SHOCK™ memory foam where catchers need it most. Adjustable knee pad for customized fit. EXOS™ ventilation system channels hot air out and cooler air in. Size: 12.75" Length, age 9 - 12.