The Tommy Bra The Tommy Bra has an open square neckline, a low square back and a built-in support band that sits under your bust (kind of like on the Topanga, Lola or Juliet) and is perfect for getting you through those medium-impact workouts like boxing, biking or speed-walking home because you forgot your reusable coffee cup. Made from 79% recycled plastic bottles (RPET) and 21% spandex Recyclable with ReGirlfriend Designed for medium-impact workouts Square neck and back 12 1/4" length from high point on shoulder on size S (for each size up/down, add/subtract 1/2") 1" strap width Built-in support band hits under bust Full coverage Double-lined Soft yet sturdy construction with four-way stretch Fits true to you, we recommend going with your normal size '