Baseball Stirrup Tube 2-IN-1 Socks (17 Colors, 4 Youth to Adult Sizes) Baseball/Softball 2-N-1 Baseball/Softball Tube Sock. Two-in-One Design gives the Stirrup look without the hassels of the stirrup falling out of the cleats. Two-N-One Stirrup socks are used in Youth Little League & Travel Ball Teams to Babe Ruth and High School. Worn for games and practices. 4 Sizes : Youth XS, Small, Medium, Large