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Castelli Velocissimo Team 9 Socks

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Item # CST2611

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Item # CST2611


The Velocissimo Team 9 Socks are the 9cm cuff option from Castelli's polypropylene line of road socks. They provide ample coverage above the ankle, but they're designed to feel light and dry fast. This makes them an ideal choice for warm days when the chance of rain looms in the distance, or inversely, when your ride begins during the chill of dawn and ends during the warmest part of the day.

Although there're many fast-wicking road socks on the market, the Velocissimo Team 9 socks provide the added benefit of Meryl Skinlife antibacterial fibers. Before Meryl Skinlife, the production of antibacterial fabrics was restricted to superficially treating fabrics with an antibacterial compound. This resulted in products with satisfying initial effectiveness, but which lost a portion of their odor-eliminating capabilities with every wash. Instead of this unpleasant scenario, Meryl Skinlife adds significant life span to socks by blending bacteriostatic silver particles at the fiber level. This means that when the socks are washed, dirt and sweat go down the drain, but the technology that you paid for remains intact.

Meryl Skinlife doesn't simply eliminate bacteria, it actually keeps it in proper balance. A little known fact is that there's a 'perfect' amount of bacteria that's needed in order to keep your skin healthy. So, if you raise bacteria levels much higher than what your skin contains naturally, a predictable, heinous odor develops. Eliminate all bacteria, say with a bactericide treated fabric, and some feet will experience skin problems when beneficial bacteria are killed. Contrary to this, Meryl Skinlife maintains a natural level of bacteria on rides lasting several hours or more.

In order to get the most out of a road shoe, we prefer socks with compressive qualities that minimize the heel's tendency to slip under the effort of hard sprints and climbs. Accordingly, the compressive cuff and mid-foot strap of the Velocissimo Team 9 are particularly excellent at attenuating such unwanted movement by allowing the shoe to cradle the foot uniformly.

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

Tech Specs

[socks] Meryl Skinlife
9 cm
Recommended Use:
road cycling
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...


Great socks

  • Familiarity:I've put it through the wringer

Great socks. Breathable, comfortable, and durable