Heavyweight Neon Yellow, Medium Solid Color Tube-sock 80% hi-bulk acrylic / 20% stetch nylon Thick with hi-bulk acrylic and stretch nylon for hard-pounding athletes 22 athletic colors to match any uniform Longer design for turn-down cuff or to cover the knee. These are 26" in length. This style fits Medium sock size 8.5 to 11, fits shoe size Ladies 5.5-10.5 Look for all fours sizes: 780-adult, 770-medium, 760-small and 750-child.