Seamless sports bras feature cups that have been molded into a permanent shape and fit. The seamless sports bra provides a smooth and almost transparent look under exercise clothes. Seamless Sports Bras are particularly suitable under tight-fitting workout tops. Seamless sports bras may also have seamless sides, meaning there are no seams joining the cups and the wings together. This prevents chafing and skin irritation. If you have very sensitive skin, consider purchasing seamless sports bras to cut down on skin soreness. HerRoom offers a wide selection of seamless sports bras as well as free shipping, customer reviews, detailed product descriptions and several different photographs of each item.