Paisley Tankini Set Racerback Top Sporty Shorts Built-In BriefA swimsuit that works for actual swimming, not just sunbathing, is harder to find than it should be. The racerback cut lets the shoulders move freely through any stroke. The sporty shorts with a built in brief mean no separate undergarment, no shifting. The solid black front with paisley side panels creates visual interest without overwhelming the silhouette.