Women's Smartwool PHd Compress Ultra LightThe Men's Graduated PhD Compression Ultra Light by Smartwool is a sock with performance enhancing technology that improves endurance by helping push blood back to your heart faster, while reducing fatigue and speeding up recovery.
- 67% Merino Wool, 30% Nylon, 3% Elastic
- Minimizes leg, ankle & foot swelling.
- 20-30 mmHg rating.
- Reduces fatigue.