Mizuno LR6 Volleyball Kneepad D.F. CUT pad for greater frredom of movement VS-1 padding in high impact zone Complete patella, lateral, and medial protection Poly/Cotton/Spandex blend Size chart:- These measurements should be taken 1"" above the knee: Small (11 & under) - under 13.5"" Medium (12-15 yrs) - 13.5""-15.5"" Large (16 & older) - Over 15.5""