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Item # CST2660

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Item # CST2660


Castelli's Logo 9 Socks were introduced as part of its polypropylene line of road socks. The 9cm cuff provides plenty of coverage above the ankle, with a construction that's designed to feel light and dry fast. This makes them a great choice for warm days when you need breathable socks that have the ability to keep up with your perspiration rate.

As with all Castelli socks, the Logo series was constructed with compressive characteristics that target specific areas of your foot. The firm fit around the back of the heel minimizes its tendency to slip under the effort of hard sprints and climbs. The socks also have a compressive cuff and mid-foot strap that reduces unwanted movement by allowing the shoe to uniformly cradle and support the foot. And in addition to these compressive characteristics, the socks' polypropylene composition utilizes a soft, hollow-core fiber that effectively manages moisture. You'll also find that this fabric's natural breathability maintains a consistent, cool temperature at the foot on balmy days.

The Castelli Logo 9 Socks are available in the sizes Small/medium, Large/x-large, and XX-Large and in the colors Black/white and White/black. Please note that Castelli estimates a useful temperature range of about 63 to 95 degrees Fahrenheit for these socks.

  • Hollow-core polypropylene
  • Compressive cuff and mid-foot strap

Tech Specs

[socks] polypropylene
9 cm
Recommended Use:
Manufacturer Warranty:
30 days

Size chart



Castelli Socks
US Men's shoe
4-7 8-10 11-14
US Women's shoe
5-7 8-10 11-12
How to Measure:
For best results, take measurements over your underwear.

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Here's what others have to say...

4 5

Castelli Socks

  • Familiarity: I've used it several times
  • Fit: True to size
  • Height: 5' 10"
    Weight: 192 lbs
    Size Purchased: exlarge

I like the socks for short to medium rides. Lets say up to 40 miles. After 40 miles I want my Swiftwick preformance brand. The socks are comfortable and wick moisture as they should.. I personally like a little more compression for long rides. It stops my feet from getting "tingly." Short rides I will grab my Castelly every time.