• U.S. shoe size: S fits women's 4.5–7, M fits women's 7.5–9.5 or men's 5.5–7.5, L fits women's 10–11.5 or men's 8–9.5
• 54% nylon, 39% merino wool, 7% spandex
• Made in the U.S.
• Seamless toe construction

Ditch the bulk, conquer the miles. These ultra-thin running socks disappear under your sneakers, delivering a barely-there feel that lets your feet breathe. Crafted from a powerful blend of moisture-wicking merino wool and durable nylon, they keep your feet dry, comfortable, and blister-free — no matter how far you push. Don't be fooled by the thin profile — these socks are built to last, keeping up with your most demanding runs. Experience the freedom of running with these featherweight companions, ready to carry you to new heights and horizons.