- Perimeter 2.0 design by Twin City Knitting
- 85% polypropylene / 8% nylon / 5% elastic / 2% lycra spandex
- Polypropylene lightweight and breathable
- Able to retain its insulating properties even when wet
- Retains warmth when it is cold and coolness when it is warm
- Made in the USA
- Sock sizes:
- Small = Youth 12-5, Women's 4-7
- Medium = Men's 6-9, Women's 7-10
- Large = Men's 9-12, Women's 10-13
- X-Large = Men's 12-15, Women's 13+
- Small = Youth 12-5, Women's 4-7
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