Keep your star forward supported and aggressive on the pitch as they gear up in the adidas(R) Youth Soccer Shin Socks. Equipped with a hard-wearing shell that conveniently slips within the sock, this combination set delivers secure, consistent protection from tough tackles as the match wares on. All-In-One Design Soccer socks with built in shin guards Hard shell features strategic ventilation areas to keep their legs cool and protected Conventional sock fit for secure fit with no straps Shin Guard Sock Sizing Guidelines (By Height) Small:3'3'' - 3'10'' Medium: 3'11'' - 4'6'' Large: 4'7'' - 5'2'' Extra Large: 5'3'' - 5'9''