Vince white racerback tank with chambray upper back

White knit racerback tank with chambray fabric upper back, grey-blue. Pic 1 shows fit, rest are top for sale white in front. Size XS. Armpit to armpit approx. 15". Approx. 20.5" across bottom flat. Shoulder to bottom approx. 25". 92% modal, 8% spandex main body. 50% cotton, 35% rayon, 25% tencel chambray, denim-like upper back. Very good used condition without defects.