New Champion Sports 12 Inch Safety Softballs Pack of 12 (1Dz) Level 10 Wht Rd Blaze Triple knee protection: keeps your 15":Royal Black Silver Triple knee protection: keeps your knees safe in every position Ikp (inner knee protection): memory foam is strategically placed where catchers need it the most Intermediate: For age 13 to 15 Size: 14" Durable leg guard Triple knee protection in and out of the squat IKP (Inner Knee Protection) strategically placed memory foam where catchers need it most Removable liner is machine washable The Beast’s HYPERLITE balanced structure provides the lightest 2 1 4” swing weight for more speed behind the ball at contact Synthetic leather cover with raised seams Medium compression plays close to a regular softball Minimize risk of injury Firm but soft sponge rubber core is safer for younger players Level 10 (recommended for ages 10 and up)