Castelli Free 9 Socks

Castelli Free 9 Socks
  • Color: White/Red/Cyan
  • Color: White/Red/Black
  • Color: Black/Yellow Fluo/White
This item is currently not available.


Castelli’s Free 9 Socks are made of their moisture-transferring and antibacterial Meryl SkinLife fabric with super-thin mesh on the tops for the ultimate in breathability. They also have mid-foot elastic for arch support and flat seams for comfort.

Part Numbers

Option UPC MPN
White/Red/Cyan / Small/Medium 844615004110 R12077153-2
White/Red/Cyan / Large/X-Large 844615004127 R12077153-4
White/Red/Cyan / XX-Large 844615004134 R12077153-6
White/Red/Black / Small/Medium 844615004141 R12077231-2
White/Red/Black / Large/X-Large 844615004158 R12077231-4
White/Red/Black / XX-Large 844615004165 R12077231-6