Women's On Performance Mid Sock Brand_Gu This trail runner’s light-weight construction

This trail runner’s light-weight construction makes for the perfect option when it comes to speeding things up

Ventilation on the Fly

taking you from road to trail as you seek out new adventures and goals

All sizes are in mens US with womens equivalent in brackets

Button snap to keep them together

Women's On Performance Mid Sock Brand_Gu This trail runner’s light-weight constructionOn Performance Socks combine a polyamide and elastane blend with technical mesh paneling. The mesh sections help keep foot temperature in perfect balance. Cooling when things heat up, warm enough that you won't get cold feet whatever you're about to take on.