Brooks For Her Epiphany Stretch Short Shell: Revelation Stretch Woven (86% polyester/14% LYCRA spandex) Side Panel: Aireflo (100% moisture-transfer polyester mesh) Liner: 100% moisture-transfer polyester Stretch-woven moisture-transfer shell Mesh side panels for added breathability Pink 3M Scotchlite retroreflective ribbon 3" inseam; 6.25% of retail sales will be donated to three organizations that research and support those affected by breast cancer.