Under Armour Women's HeatGear Alpha Middy Shorts - SS15 HeatGear - Lightweight fabric construction that draws moisture away from the skin and dries rapidly. Sporty Power Mesh Insets - At back and straps for amazing breathability. Moisture Transport System - Draws moisture away from the skin in to the mid/outer layer to be evaporated. 4-way Stretch Construction - Affords an increased range of motion. Anti-Microbial Technology - Keeps the kit feeling and smelling fresher for longer.