Microfiber Elastane Stretch Fabric Fabric Composition : Polyester and Elastane Smartfabric - Takes Quality and Comfort to the Next Level StayFresh Treatment with Antimicrobial Properties to Help You Stay Fresh Throughout the Day StayDry Treatment with Additional Evaporation Properties to Help You Stay Dry Throughout the Day Slim Fit Back Waistband Pocket Reflective Branding, Strip Label Free for All Day Comfort