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Aero Speed Sock

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Castelli's Aero Speed sock offers a snug-fitting, aerodynamic design with a breathable construction for optimal comfort and performance.


  • Ultimate Aerodynamic speed.
  • Meryl® Skinlife mesh sock portion.
  • Lined Lycra® leg portion extends to mid calf.
  • Silicone band at top keeps it in place.
  • Great for TTs, criteriums, or road or track races.
  • Claimed weight: 44g.
Shoe Size35-3940-4344-47   
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Great socks love the fit and comfort
by Kennedy1

Excellent socks. Very high I went with the Large size and I wear a 45 shoe. They come up high.

Reviewed 8/9/2018
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