Under Armour Men's Launch Split Run Shorts Body: 62g. Polyester Liner: 70g. Polyester Lightweight Construction - Keeps the garment light and low bulk, ideal for long distance. Mesh Side Panels - Delivers strategic ventilation. Internal Mesh Liner - Helps moisture escape and adds breathability. Anti-Odour Technology - Prevents the growth of odour-causing microbes. Covered Elastic Waistband - With internal drawcord.