Buff CoolNet™ Crew Socks cycle and keys securely in one

and keys securely in one spot

The harder you go and the worse you feel the better it works as Chas Bruce

from marathons and half marathons to Ironman and ultra events

42mm Filter Compatible for Clean Drinking Water Designed with a 42mm filter interface

Buff CoolNet™ Crew Socks cycle and keys securely in oneStep up your game with Smart Mint cooling comfort and odor control, powered by HeiQ. Stay fresh and fast with moisture wicking fibers that keep sweat away, while breathable mesh zones ensure maximum airflow. Designed for performance, these crew height socks feature engineered arch compression for superior stability and flat seams for all day comfort.