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CastelliTransition 18 Sock

Sale 10% OffCurrent price:$22.49 Original price:$24.99

Item # CST00UQ

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Item # CST00UQ

Transition 18 Sock

  • Embrace cool fall rides with wool warmth, without the bulk
  • Merino wool pairs with synthetics for strength wand warmth
  • Wool wicks away sweat, fights odor, and stays warm when wet
  • Nylon speeds up dry time and boosts durability
  • Enjoy comfortable stretch thanks to lofty spandex content
  • Thinner construction fits comfortably slim in your shoes
  • Tall cuff provides coverage on the shin and a classic look
  • Bold aesthetics liven up your fall and spring kits

Tech Specs
Material50% wool, 35% nylon, 25% elastane
Recommended Useroad cycling
Manufacturer Warranty1 year


US MEN'S SHOE SIZE 5 - 6.5 7 - 10 10.5 - 13
EU MEN'S SHOE SIZE 36 - 39 40 - 43 44 - 47
US WOMEN'S SHOE SIZE 4 - 7.5 8 - 10.5  
EU WOMEN'S SHOE SIZE 35 - 38 39 - 41  

What do you think about this product?


>Rating: 3

good socks but size is way off

I've put it through the wringer
Runs small
Size Bought
6` 2"
180 lbs

i like this type of wool as it works well in warm and cool weather as well. Warning: they are tiny. Get one size bigger. Im usually an XL in every Castelli socks, I can't even put these on after a wash

They’re wool... I’ve had lots of wool socks & general rule is line dry otherwise they’ll shrink in dryer. You can always try wetting & stretch them.