A guide to choosing a bra can be found here. It provides strategic support tailored for activities with a high level of support, such as running, playground sports, off-road sports, and aerobics. Smooth, soft spacer fabric on the front for support and coverage with a compression feel. Mesh back and sides for maximum breathability. Quick and easy adjustment on the front for customization. Open back for easy dressing and undressing. Super smooth and soft elastic bottom band. The material wicks away sweat and dries very quickly. The 4-Way Stretch technology allows for better movement in every direction. Triple-lined front for coverage, no padding.