J. Crew dark blue sleeveless top; part linen, part cotton

Part linen, part cotton sleeveless top in dark blue and off-white with brushstroke-like designs on linen center part of top; plain dark blue on cotton outer edges (sleeveve holes and hem). Zippered back in center back. Size is marked M. But please see my lay-flat measurements For additional size information Armpit to armpit: 19 1/2” Length from top of shoulders to hem: Front: 23”. Back: 24” Made in Phillipines. This garment is pre-owned but in excellent condition.