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Castelli Transition 18 Sock

Castelli Transition 18 Sock
  • Color: Black
  • Color: Climbing Ivy
  • Color: Light Steel Blue
  • Color: Midnight Navy
  • Color: Pro Red
  • Color: Savile Blue
  • Color: White
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The Transition 18 socks are made of Merino wool silk, and feature a thinner construction like a summer sock so that it doesn’t take up as much space in the shoe.