Lululemon Wild Open Back Strappy Bra White and Grey Gray Horizontal Striped Tank 6 six. We made this tank with a draping, open back so we can keep cool in class - and show off the strappy bra underneath. Sweat-wicking with low armholes that give us room to move, it lets us focus on our practice in Hatha, Hot and Vinyasa Flow. Super light pale pink bra with white gray striped draped body. Loose tank top with fitted built-in sports bra.