These Under Armour Fly By Shorts are crafted with an elasticated waistband and drawstring fastening for a secure fit. They feature flat lock seams to prevent chafing and mesh panelling for ventilation. These shorts are a lightweight construction in an all over print and are complete with signature Under Armour branding. Fabric: Polyester Performance Techology: Breathable Weatherproof: Not Waterproof Body Fit: Standard Fastenings: Drawstring Fastening Fit Type: Regular Fit.