Flex Lightweight T-Shirt

This muscle shirt is our best for running & training; loose, super lightweight.

• For a more relaxed fit, we recommend to choose a size up.
• True to size.
• Breathable fabric.
• Super lightweight fabric & dries quickly.
• Soft, knit construction delivers superior comfort & breathability.
• Reflective details for greater visibility on low-light runs.
• Darker underarm fabric to prevent appearance of sweat stain.