Old Navy UltraLite Racerback Rib-Knit Performance Tank There are bunch of colours of this Old Navy UltraLite Racerback Rib-Knit Performance Tank ($12) to pick now like blue marble and coral, but there are also new shades of the non-ribbed version including a stunning dark green. Image Source: oldnavy.gap.com Old Navy UltraLite Racerback Rib-Knit Performance Tank $12 from oldnavy.gap.com Buy Now