SmoothFit Bra Size Guide

Find Your Perfect Bra Size
Our SmoothFit bra fits true to size. The material is very stretchy, so if you prefer a tighter fit, size down from your usual size.

SIZE

AU/NZ

UK

US
XS

8A
8B
10A

30A
30B
32A

30A
30B
32A
 

Small

8DD
10B
10C
10D
10DD
12A
12B

30DD
32B
32C
32D
32DD
34A
34B

30DD
32B 
32DD
32C
32D
34A
34B

Medium

12C
12D
12DD
12E
14A
14B

34C
34D
34DD
34E
36A
36B 

34C
34D
34DD
34DDD
36A
36B

Large

14C
14D
14DD
14E
16A
16B
16C

36C
36D
36DD
36E
38A
38B
38C 

36C
36D
36DD
36DDD
 38B
38C

XL

16D
16DD
16E
18A
18B
18C
18D

38D
38DD
38E
40A
40B
40C
40D

38D
38DD
38DDD
40A
40B
40C
40D

 Not sure which size to choose? Not a problem - send us a message here and we'll help you out. If you do choose the wrong size, you can return any that are still sealed and unopened through our First Pair Guarantee.

    First Pair Guarantee

    We are so confident you'll love your Step Ones, we'll give you a full refund on your first opened and worn pair if you don't like them for any reason.

    Free shipping on all orders!

    Free shipping on all orders in Australia... how good!

    Easy Returns

    Picked the wrong size by mistake? No problem. On top of our first pair guarantee we also offer returns/exchanges on all unopened products.

    Customer Service

    Buy with confidence, our dedicated customer service team is available 24/7 to answer any questions you have!