Augusta Sportswear Baseball/Softball 7" Stirrup Sock Knee Length Old School (Sold as a Pair in 3 Sizes, 11 Colors) 91% Nylon Baseball/Softball Knee length 7" Stirrup Sock. Knit in elastic cuff, 91% Nylon/5% polyester/4% elastic. Old School Stirrup Socks is the new Hot Style with High School, College, Travel Ball and All-Star Teams. Individual players also use at Tryouts, Practices and in Showcases to help them stand out from the pack. Available in 3 Sizes (Youth, Int, Adult) and 11 Colors. Sold as a Pair of 2 Stirrups, Sock underneath stirrup is sold separately.