9 unisex sizes, designed with 10–15 cm / 4–6 in positive ease – choose a size 10–15 cm larger than your actual chest (sample: size 1 with 11 cm / 4.5 in ease). Finished chest circumference: 95, 102.5, 110 (117.5, 125, 132.5) (142.5, 150, 160) cm / 37.5, 40.25, 43.25 (46.25, 49.25, 52.25) (56, 59, 63) in.