Proven in the simplest and most extreme conditions, the Performance series tetratsok is becoming the choice interface for amateur and professional athletes alike. Engineered with AIS: technology and constructed with a wicking fiber made of CoolMax® and a resistant outer shell of durable nylon, the Performance tetratsok protects, prevents and out performs any ordinary tube closed sport sock.
 
70% CoolMax 25% Nylon 5% Lycra

Perfect sock for running, walking, cycling, track & field, cross training and multi-sport.
No more blisters as your toes don't rub against each other.