NFL Baltimore Ravens Infant Skidders Gripper Socks - Purple (24 Months) cotton Protects Feet, antimicrobial insole, provides traction, and allows for freedom of movement for healthy development of growing feet. Easy to Fold and Pack & Machine Washable Feather Light Weight & Breathable Knitted Material Shoe Size 8 ~ 24 months ~ up to 6.00" Officially licensed NFL product