Size Guide
Shopping online can be tricky when it comes to fit—we totally get it. That’s why we created this quick guide to help you find your perfect size. Still unsure? Our Customer Experience Team is here to help! Email us at hello@threebirdnest.com or live chat with us on our site.
Dresses, Tops & Bottoms
| Size |
US/CAN |
Bust |
Waist |
Hips |
| XS |
0 |
31"-32" |
24"-25" |
34"-35" |
| S |
2-4 |
33"-34" |
26"-27" |
36"-37" |
| M |
6-8 |
35"-36" |
28"-29" |
38"-39" |
| L |
10-12 |
37"-39" |
30"-32" |
40"-42" |
| XL |
14 |
40"-42" |
33"-35" |
43"-45" |
| 1X |
16-18 |
43"-45" |
36"-38" |
46"-48" |
| 2X |
20-22 |
46"-47" |
39"-40" |
49"-50" |
| 3X |
22-24 |
48"-50" |
41"-43" |
51"-53" |
Denim
| Waist Size |
Size |
Waist |
Hips |
| 24 |
S |
24"-25" |
32"-33" |
| 25 |
S |
25"-26" |
33"-34" |
| 26 |
M |
26"-27" |
34"-35" |
| 27 |
M |
27"-28" |
35"-36" |
| 28 |
M |
28"-29" |
36"-37" |
| 29 |
L |
29"-30" |
37"-38" |
| 30 |
L |
30"-31" |
38"-39" |
| 31 |
L |
31"-32" |
39"-40" |
| 32 |
XL |
32"-33" |
40"-41" |
Bralettes
| Size |
Bra Size Range |
| XS/S |
32A–34B |
| S |
32B–34B |
| M/L |
32D–38B |
| M |
32D–36B |
| L/XL |
36D–38B |
| L |
32DD–38B |
| 1/2X |
34DD–42C |
| 3/4X |
38DD–44DD |
How to Measure
Bust – Measure under your arms at the fullest part of your chest.
Waist – Wrap the tape around your natural waist (the narrowest part).
Hips – Stand with feet together and measure around the widest part of your hips.
Band (for bralettes) – Measure above your bust, across your chest. Round to the nearest even number.

