1/4 Top Running Sock - Ultralight
1/4 Top Running Sock - Ultralight
These ¼ Top Ultralight Running Socks are perfect for warm-weather trail runs. Our lightest merino wool sock lets your feet breathe, even when they’re climbing mountains or running ultras. These socks sit right above your ankle — the perfect height for keeping dirt, pebbles, and any other pesky debris out. Trail running is about enjoying the adventure, and that’s a whole lot easier with a smooth, blister-free fit.
Free USA Shipping on Orders Over $50
Covered by the Cloudline Lifetime Guarantee
This style is also available on Amazon
- Compostable Shipping Materials
- Carbon Neutral Shipping
- Free Exchnages and Returns
Size Guides
Sock Size Guides
WOMEN'S | US | UK | Europe | CM |
Small | 4 - 6.5 | 2 - 4.5 | 35 - 37 | 20.5 - 23 |
Medium | 7 - 9.5 | 5 - 7.5 | 38 - 40 | 23.5 - 25.5 |
Large | 10 -12.5 | 8 - 10.5 | 41 - 45 | 26 - 28.5 |
X-Large | 13 - 15 | 11 - 13.5 | 46 - 49 | 29 - 31 |
MEN'S | US | UK | Europe | CM |
Small | N/A | N/A | N/A | 20.5 - 23 |
Medium | 6 - 8.5 | 5.5 - 8 | 39 - 41 | 23.5 - 25.5 |
Large | 9 -11.5 | 8.5 - 11 | 42 - 44 | 26 - 28.5 |
X-Large | 12 - 14.5 | 11.5 - 14 | 45 - 47 | 29 - 31 |
KID'S | SIZE | AGE | INCHES | CM |
X-Small | 6T - 8.5T | 1.5- 3.5 | 5 - 6 | 12.7 - 15.24 |
Small | 9T - 11.5T | 3.5 - 5.5 | 6 - 7 | 15.25 - 17.78 |
Medium | 12T -2.5Y | 5.5 - 8.5 | 7 - 8 | 17.79 - 20.32 |
Base Layer Size Guides
WOMEN'S | X-Small | Small | Medium | Large |
Chest | 16 5/8" | 17 5/8" | 18 5/8" | 19 5/8" |
Waist | 14 3/8" | 14 3/4" | 15 1/8" | 15 1/2" |
Length | 24 7/8" | 25 1/2" | 26 1/8" | 26 3/4" |
MEN'S | Small | Medium | Large | X-Large |
Chest | 19 3/8" | 20 3/8" | 21 3/8" | 22 7/8" |
Waist | 18 5/8" | 19 5/8" | 20 5/8" | 22 1/8" |
Length | 28" | 28 5/8" | 29 1/4" | 29 7/8" |
Collapsible content
SOCK FEATURES
SOCK DETAILS
LIFETIME GUARANTEE
If you wear out a pair of Cloudline socks our team is here to get them replaced with our simple warranty process so you can get back on the trail.
Merino You Can Feel Good About
Cloudline socks are knit exclusively with premium merino wool certified by the Responsible Wool Standard. This ensures our wool comes from farms that take a responsible approach to land management, and follow the principles of the Five Freedoms for Farm Animals.