Microfiber Fabric | Fabric Composition : Polyester | Breathable Mesh for Enhanced Cooling | 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 | Smartfabric - Takes Quality and Comfort to the Next Level | Relaxed Fit | Lightweight and Breathable for Unmatched Experience and Comfort | Reflective Branding, Reflective Print | Label Free for All Day Comfort