SWEAT-WICKING AND BREATHABLE The Nike 9" Instinct Men's Running Shorts feature laser-cut perforations and strategically placed mesh for enhanced breathability. The generous inseam adds comfort and freedom to move. Benefits Dri-FIT fabric to wick sweat away and help keep you dry and comfortable 9" inseam (based on size medium) for extra coverage Built-in briefs for comfort and breathability Laser-cut perforations at sides and back for enhanced ventilation Back zip pocket for secure storage of small items Reflective elements for enhanced visibility in low light Product Details Fabric: Body: Dri-FIT 86% polyester/14% spandex. Inner waistband: 89% polyester/11% spandex. Machine wash Imported