When the suit fits, your confidence boosts. The next good karma tubular tunnel bikini bottom is a staple made with modest coverage for comfort and tie tunnel sides for adjustability. UPF 50 fabric blocks 98 percent of the sun's UV rays. Made with your movement in mind with next flex fabric that is designed with flat seams to prevent chaffing, wicks away moisture to keep you cool, and provides extra stretch to make every move count.