CLOUDLINE
No-Show Running Sock - Ultralight
No-Show Running Sock - Ultralight
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Women's Ultralight Merino Wool No-Show Running Sock
Experience the ultimate in lightweight comfort with our women's ultralight no-show running sock. Designed for runners who demand performance without bulk, these socks disappear into your shoes while keeping your feet cool, dry, and blister-free on even your longest routes.
Cloudline's merino wool is naturally moisture-wicking and breathable, wicking away sweat to keep your feet fresh during hot summer runs. The ultralight construction delivers a barely-there feel underfoot, while the seamless construction and no-slip heel ensures they stay perfectly in place mile after mile. Whether you're training or racing, these socks will keep you moving fast and feeling fresh.
The perfect women's ultralight merino wool running sock for road running, trail running, and warm weather training. Your feet will thank you.
Free USA Shipping on Orders Over $75
Covered by the Cloudline Lifetime Guarantee
- Compostable Shipping Materials
- Carbon Neutral Shipping
- Free Exchanges 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" |

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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.