MATERIAL: 100% Polyester. Lightweight. 65 GSM FIT: Relaxed.  DESIGN: Meet your new favorite running companion – the Ultra Running Shorts. Made from super lightweight polyester, these shorts offer unmatched comfort and breathability. The elastic waistband ensures a secure fit, while the side reflective piping keeps you visible during early morning or late-night runs. Elevate your running experience with these perfect blend of performance and style. MODEL: The model in the first photo is wearing a size Medium. Weight: 175lb Height: 5'9.