Oalka active workout racerback sports essentials compression bra features super soft moisture wicking 4-way stretch material,helps keep you cool and dry;reduces the use of stitches for a smooth, streamlined look, while flat seams help reduce irritation caused by chaffing and high quality elastic underband across the bottom designed to reduce the amount of friction against your skin, delivers superior support,great fit, super comfort,breath and holds everything in place when sprinting or jumping.Oalka sportswear empowers women to be their best.