To ward off leg fatigue and soreness during training or racing, look no further than the 2XU Men's Thermal Compression Tights. Made with PWX FLEX technology, and brushed to keep you cozy, these tights will keep you feeling fresh so you can train harder longer... even when it gets a little chilly out. . High power denier offers support to hamstrings, quads, abductors, glutes, and calves to reduce muscle fatigue damage. PWX FLEX features high grade elastomeric yarns and a superior grade knit structure to allow 360deg stretch for optimal flexibility and movement brushed to provide a softer, warmer feel on your skin. Allows for greater regulation of your core body temperature to enhance comfort and warmth during cold weather training. Graduated fit promotes increased circulation to move more oxygen to your muscles, flush out lactic acid more efficiently, and speed recovery.