Responsive feel in a thin, lightweight design. Swiftwick's 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 quickly
• 55% nylon / 40% olefin / 5% spandex
• One pair