Swiftwick Aspire Zero kari-traa and hot stays wickedly hot

and hot stays wickedly hot for 12 — just like always

This thermal

The upper construction focuses on functional longevity

Blending high-tech fabrics with a minimalist design

Let go – wherever you go

Swiftwick Aspire Zero kari-traa and hot stays wickedly hotOur most popular running sock and a great no show cycling sock. The ASPIRE is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during endurance activities. Zero cuff height sits below the ankle with minimal extension above the shoe. Thin profile with light cushion Channeled upper improves breathability Lightweight Olefin fiber wicks moisture and dries