On Running Women's Performance Mid Sock Size:S boiled wool felt to keep

boiled wool felt to keep your feet at a constant temperature whether it is warm or cold

L100 - The neutral orthotic option is great for an average arch type or if you are unsure which customized orthotic to try

A removable cushioned footbed

Arch Support to Keep Sock in Place

On Running Women's Performance Mid Sock Size:S boiled wool felt to keepThe running sock that balances a feeling of protection and performance. Comfort that keeps you going. Key features Weight: 42g Temperature regulating Anatomical shaping 94% recycled polyamide, 6% elastane Materials 94% recycled polyamide 6% elastane Recycled content: Total recycled content: about 94%