On Performance Run Sock Mid waterproof Test your race fueling strategy

Test your race fueling strategy in training without buying individual gels for every session

our all new obsidian on obsidian Circle Gs

Fits small to size

Headphone port

On Performance Run Sock Mid waterproof Test your race fueling strategyBreathability meets cushioned comfort in these high performance running socks. Key Features Weight: 29g Targeted cushioning for total comfort on every run. Ventilation panels to help reduce sweat and blistering. Ergonomic construction shaped to the foot. Arch support. Rib structure with integrated logo placement. With contrast logo on front section. Reflective yarn on the cuff. Materials 54% Polyamide (Recycled), 38% Polyamide, 7% Elastane, 1%