| Sock Size | US Men Shoe Size | Foot Length (in) | Recommended Use |
|---|---|---|---|
| S | 5‑7 | 9.0‑9.6 | Light hiking, everyday casual |
| M | 7‑9.5 | 9.6‑10.4 | Hiking, trail running, light work |
| L | 9.5‑12.5 | 10.4‑11.3 | Backpacking, heavy‑duty work, tactical, hunting |
| XL | 12.5‑15 | 11.3‑12.1 | Oversized feet, work boots, winter hiking |
| Sock Size | US Women Shoe Size | Foot Length (in) | Recommended Use |
|---|---|---|---|
| S | 5‑7 | 8.7‑9.3 | Road run, casual, light hiking |
| M | 7‑9.5 | 9.3‑10.1 | Backpacking, trail running |
| L | 9.5‑11.5 | 10.1‑10.8 | Ski / snowboard, winter hiking |
| Sock Size | US Kids Shoe Size | Foot Length (in) | Recommended Use |
|---|---|---|---|
| XS | 8‑11 (Toddler) | 6.2‑7.0 | Toddler casual & outdoor play |
| S | 11‑2 (Little Kid) | 7.0‑8.1 | Kid hiking, everyday wear |
| M | 2‑5 (Big Kid) | 8.1‑9.0 | Youth hiking, camping |
* All measurements are in inches. Measure bare foot from heel to longest toe.
* Sock fit works with low‑cut, crew, mid‑calf and over‑the‑cuff styles.
* If between shoe sizes, choose the larger sock size for better comfort with thick boots.
* Merino wool will stretch with wear; compression varies by cushion weight: light, mid, heavy cushion.
Penguins can't fly, but they sure can look it. This fan-favorite, animal design sock offers day-long comfort and warmth thanks to soft Merino Wool. A solid choice for any day on the mountain, the Penguin Peak will keep you at the top of your game by avoiding foot pain with a supportive arch and unbelievable fit. The midweight cushion warmth will keep you climbing hills to slide all day, and night. Penguins don't ski either, but they sure can fly... on snow.
Machine wash in cold water on gentle cycle with socks inside-out. Do not bleach. Tumble dry on low or hang dry. Do not dry clean. You can learn more about how to wash merino wool socks here.