Apparel > Accessories > Socks > Men's
Description
The Castelli Alpha 18 Sock is designed to keep your feet warm and comfortable during cold winter rides, combining performance and protection for all-day cycling. Its Merino wool blend and PrimaLoft insulation provide exceptional warmth while maintaining breathability and moisture-wicking properties to prevent overheating. The 18 cm crew length offers extended coverage, while durable nylon reinforcements on the heel and toe ensure long-lasting wear. A reflective stripe on the back enhances visibility in low-light conditions, making this winter sock an essential addition to your cold-weather cycling gear.
Return to TopFeatures
- Merino wool blend and PrimaLoft insulation provide warmth and moisture-wicking comfort
- Breathable fabric prevents overheating during winter rides
- 18 cm crew length offers extended coverage for added protection
- Nylon heel and toe enhance durability for long-lasting wear
- Reflective stripe on the back improves visibility in low-light conditions
Sizing
| Size | S | M | L | XL | XXL | 3XL |
|---|---|---|---|---|---|---|
| Waist | 31" | 33" | 34.5" | 36.5" | 38.5" | 40.5" |
| Size | S | M | L | XL | XXL | 3XL |
|---|---|---|---|---|---|---|
| Chest | 36" | 37.5" | 39" | 41" | 43" | 45" |
Womens Shorts, Bibs, Knickers & Tights
| Size | S | M | L | |
|---|---|---|---|---|
| Hips | 33-36" | 36-38" | 38-40"+ |
Womens Jerseys, Jackets & Vests
| Size | S | M | L | |
|---|---|---|---|---|
| Chest | 32-34" | 34-36" | 37-40" |
Gloves
| Size | S | M | L | XL |
|---|---|---|---|---|
| Palm Circumference | 6-7" | 7-8" | 8-9" | 9-10" |
Mens Socks
| Size | S/M | L/XL | XXL | |
|---|---|---|---|---|
| Mens | 4-7 | 8-10 | 11+ | |
| Euro | 35-39 | 40-43 | 44-47 |
Womens Socks
| Size | S/M | L/XL | XXL | |
|---|---|---|---|---|
| Womens | 5-7 | 8-10 | 11.5+ |