Breath Thermo Sock
Breath Thermo Sock
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Breath Thermo Sock

Regular price
$20.00
Sale price
$20.00
Regular price
Sold out
Unit price
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The BT Racer Sock is a mid length sock for your coldest runs, made with our heat generating Breath Thermo® technology, this lightweight sock boasts all the warmth you need without the bulk.

  • Small - Women's US size 6 - 8.5
  • Medium - Men's US size 6 - 8.5; Women's US size 8.5 - 10.5
  • Large - Men's US size 9 - 11; Women's US size 11 - 13
  • Extra Large - Men's US size 11.5 - 14