Under Armour Run Compression Short Compression Fit - Assists with boosting muscle performance and lowers fatigue. 4-Way Stretch Fabrication - Allows greater mobility and maintains shape. Signature Moisture Transport System - Wicks sweat away from the body. Anti-Odour Technology - Prevents the growth of odor causing microbes. Internal Drawcord - Allows the wearer to determine their own waist fit for personalised comfort.