

The Castelli Alpha 18 Sock keeps our feet and ankles warm and protected as we continue to put miles in on our bikes during the cold winter. Its merino wool blend and PrimaLoft insulation keep our feet from freezing while also ensuring we don't overheat, thanks to its breathable and moisture-wicking properties.
Price: $19.49 from Backcountry
| Merchant | Price | |
|---|---|---|
| $19.49 | Visit Store |
The Castelli Alpha 18 Sock keeps our feet and ankles warm and protected as we continue to put miles in on our bikes during the cold winter. Its merino wool blend and PrimaLoft insulation keep our feet from freezing while also ensuring we don't overheat,...
The Castelli Alpha 18 Sock keeps our feet and ankles warm and protected as we continue to put miles in on our bikes during the cold winter. Its merino wool blend and PrimaLoft insulation keep our feet from freezing while also ensuring we don't overheat,...
"What Our Gearhead® Experts Are Saying:""I appreciate the extra cuff height of the Espresso 18 Sock. It’s breathable, comfortable, and adds a polished look to my cycling kit.""When we want comfort and performance, the Castelli Espresso 18 Sock delivers....