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CastelliQuattro 9 Sock

Temporarily Out Of Stock

Item # CST00GK

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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Replenish your drawer.

After realizing you can't remember the last time you bought a pair of cycling socks, you also realized you're down to only one matching pair and a peloton worth of orphaned singles. Before this season's training picks up, replenish your collection with the Castelli Quattro 9 Sock. Simple and streamlined, the Quattro's classic design caters to minimalists. It comes with a highly breathable polypropylene construction prepared to keep you dry through sweltering summer weather, as well as a midfoot support band to prevent bunching or shifting fabric from causing blisters.

  • Replenish a depleted sock collection with this classic
  • Midfoot support band encourages a slip-free fit
  • Hightly breathable polypropylene knit keeps your feet dry
  • Reinforced cuff stays in-place without pinching
  • Classic cuff height lets you hide tan lines when needed

Tech Specs
Height9cm (3.5in)
Recommended Usecycling
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  

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    What do you think about this product?


    >Rating: 5


    If you ride in Castelli kit you need to wear Castelli socks. And why not? They make great socks. These feature more subtle styling than some Castelli socks. And 9 cm is the perfect height. 6 cm is too low -tho this is person​al. All the colors look great. Thin, light, and well ventilated. Made in Italy. Sizing: The official sizing chart at the Castelli website is best: Cycling shoe size: 36-39 = S/M Cycling shoe size: 40-43 = L/XL Cycling shoe size: 44-47 = 2XL I wear a size 45.0 in Shimano road shoes. The XXL fit perfect,