BluPrint Women's PoloBluPrint Women's Polo 3. 8 ounce, 100% polyester flat back mesh with PosiCharge technology Tag free label Moisture wicking Self fabric collar Open placket Set in, open hem sleeves How To Measure Bust Measure under the arm and around the fullest part of the bust with arms down, keeping tape horizontal. Size Chart XS S M L XL XXL 3XL 4XL Size 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Bust 32 34 35 36 37 38 39 41 42 44 45 47 48 51 52 55