Laid flat the measurement across at underarm level is 20" Length shoulder to hem is 23". TO BE SURE OF A GOOD FIT. Lay flat a similar garment that fits you well and compare the measurements to those below.
A classy little knitted top with metallic threads trim to edges and front yoke and welt edging to amholes and shoulder straps. Hem is slightly flared and dips down a little either side. 36" around chest (unstretched measurement -top is stretchy ).