Elastics and seams are elements that avoid the passage of sun rays and, because of that, we recommend to currently change the position of the straps during sunbathing. On the other hand, since the chest area is, as a rule, where the incidence of sunlight is greatest, showing more traces of redness after sun exposure, we advise you to rest the skin and only after analyze the results achieved. You will find that the tan lines are not so strong as usual.