Measure under the arm and around the fullest part of the bust with arms down, keeping tape horizontal.
XS | S | M | L | XL | 2XL | 3XL | |
Size | 0-2 | 2-4 | 6-8 | 8-10 | 10-14 | 14-18 | 18-20 |
Bust | 28 1/2-30 | 30-32 | 32-33 1/2 | 33 1/2-35 1/2 | 35 1/2-37 1/2 | 37 1/2-39 1/2 | 39 1/2-41 1/2 |