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Frequently Asked Questions

Does SL swimwear run true to size? 

In general, San Lorenzo Bikinis swimwear runs SMALL. Sizing can vary slightly depending on the style and collection. 

How do I know what size I am?

We encourage new shoppers to contact us for assistance with sizing! We are available via phone, email and live chat on weekdays from 9:00 AM until 5:00 PM Hawai’i time. 

Do you have a size chart? 

Below we have provided a generalized size chart to assist you in shopping. However, each style runs slightly differently -- for a style-specific sizing chart, please visit this link. Styles and collections that run particularly petite are the Little Black Bikini, Summer Passport, Ilha de Coco, Bahia, and Heat Wave collections.

Additionally, the following styles tend to run smaller: Braided Hipster Strap, Braided Thong, Bow Back and Two Strap Thong.

*Please note: The size chart below are general measurements and do not apply to designer swimwear or clothing.


X-SMALL 28-30 A
SMALL 30-32 A-B
MEDIUM 32-34 B-C
LARGE 34-36 C-D
X-LARGE 36-38 D


X-SMALL 0 28-30
SMALL 2-4 30-32
MEDIUM 4-6 32-34
LARGE 6-8 34-36
X-LARGE 8 36-38

How do I take my measurements?

To find your bust measurement, measure around the fullest part of your upper torso, placing the tape close up under the arms. To find your hip measurement, measure around the widest part of your lower torso, right where you plan to wear your bottom.

Why are the sizes a range?

The lowest measurement is the waistband of the bikini lying flat without any stretch and the higher number is reflective of the maximum stretch of the bottom without distorting the pattern or fabric.

What if my size is out of stock? Will it be restocked?

Merchandise found at is subject to limited selections and quantities. Typically, only our newest collections are restocked regularly. Our inventory is live so items or sizes that appear as unavailable are unfortunately out of stock. To optimize your sizing and color way options, we recommend staying up to date with our social media feeds for information on new collection releases and re-stocks.