Performance Run Sock Quarter Size:Medium Smartwool invented the first Merino

Smartwool invented the first Merino wool performance sock

while our innovative GuideRails support system keeps you comfortably in stride

The Kona sandal has a contoured and supportive insole and rocker forefoot

Strava Segment integration (requires premium) preloaded or on-the-fly via your phone

allowing runners to experience more compression in a specific area without reducing stability

Performance Run Sock Quarter Size:Medium Smartwool invented the first MerinoSpecifically designed for running, these socks have deeper cushioning on the sole for better comfort. To ensure a great fit, right and left feet are designed uniquely. Meanwhile, the mesh knit fabric helps provide a soft feel and advanced ventilation. Quick drying Cushioned sole Nanoglide technology for improved comfort Mesh knitting for advanced ventilation Arch support Soft touch fabric Right and left anatomic design Made in Italy