Size Guide

Find your perfect fit. Use our simple measurement guide and size charts to choose lingerie that feels as good as it looks.

How to Measure

1. Bust

Measure around the fullest part of your bust while wearing a non-padded bra. Keep the tape measure level and snug, not tight.

Measure directly under your bust, around your ribcage. Keep the tape measure snug and level.

Bra size chart mapping underbust and band size to cup size.
Underbust (in)	26–28″	28–30″	30–32″	32–34″	34–36″	36–38″	38–40″
Band Size	30	32	34	36	38	40	42
Bust − Underbust (in)	Cup Size
~1″	AA	AA	AA	AA	AA	AA	AA
1″–2″	A	A	A	A	A	A	A
2″–3″	B	B	B	B	B	B	B
3″–4″	C	C	C	C	C	C	C
4″–5″	D	D	D	D	D	D	D
5″–6″	DD	DD	DD	DD	DD	DD	DD
6″–7″	DDD	DDD	DDD	DDD	DDD	DDD	DDD

Apparel size conversion across regions.
SUIGLOW Size	XS	S	M	L	XL
US/CAN	2–4	4–6	6–8	8–10	10–12
UK	6–8	8–10	10–12	12–14	14–16
EU	32–34	34–36	36–38	38–40	40–42
AUS/NZ	6–8	8–10	10–12	12–14	14–16

If you’re between sizes, we recommend choosing the larger band for comfort and the larger cup for the best fit.

Every body is unique. Our size guide is here to find what feels right. If you need extra help, our team is always here for you.