If you want to keep it simple and look cute then this Salomon's Light Bra is the choice for you! Wear it to run, wear it to the gym, wear it under a tank because the straps look good, it's all up to you. Trapped air is the best insulation known, and the 3D Open structure traps more air for incredible insulation properties under a shell. Slender straps show off your open back, and stretchy fabric makes it very easy to pull on and off. Pads in or out, whatever makes you feel good. It also features AdvancedSkin ActiveDry technology, racer back, stretch jersey, removable padded cups and light support level. Material: Polyester, Elastane.