The Under Armour Men's Max Vent Run Jacket helps you stay protected when you train with a streamlined aerodynamic fit. Made from smooth durable ripstop woven fabric the jacket features ArmourVent mesh panels for breathability. The signature moisture transport system wicks sweat away from the body and anti-odour technology prevents the growth of odour causing microbes. Additional features include reflective graphics for improved visibility bonded chest media pocket bungie cord adjustable drop tail hem. - A.D. Fitted: Sits close to the skin for a streamlined fit without the squeeze of compression. Smooth tough ripstop woven fabric is a balance of light and durable ArmourVent™ mesh panels use light stretchy and durable fabric to deliver true breathability Stretch fabric underarm panels add extra mobility Moisture Transport System wicks sweat away from the body Anti-odour technology prevents the growth of odour causing microbes Graphics and logos provide 360° reflectivity for safer low-light runs Bonded chest media pocket Bungee cord drop tail hem Body: 2.7 oz. Polyester Underarm: 4.6 oz. Polyester/Elastane Mesh: 4.4 oz. Polyester