Designed with a double knee construction for ultimate protection and durability, the Mizuno(R) Boys' MVP Pro Piped Baseball Pants boast a sleek piping detail for a classic baseball style. Ultimate Durability and Protection Double knee construction offers sliding-tough durability Performance Plus padding for added protection while sliding Unmatched Quality, Classic Style: Pro player's preferred fit Tunnel-belt-loop waist offers classic style and fit Fly front design with two snap closure Two set-in back pockets with button closure Sleek piping detail Open hem Sizing Guide: XS : Hip (26.5'' - 27.5'') / Height: (48'' - 51'') S : Hip (27.5'' - 29.5'') / Height: (51'' - 54'') M : Hip (29.5'' - 31.5'') / Height: (54'' - 59'') L : Hip (31.5'' - 33.5'') / Height: (59'' - 63'') XL : Hip (33.5'' - 35.5'') / Height: (63'' - 67'')