Mariah Bottom

spring sale starting at $20 - all sales final

How to find your perfect fit:

Take measurements using a soft tape measure.
Measure the fullest area of your bust, waist, & hips.
If you are in between sizes, we recommend sizing up.

SWIM & SHORTS

	XS	S	M	L	XL
US/CAN	0-2	2-4	4-6	6-8	10-12
Bust (in)	30-31	32-33	34-35	36-37	38-39
Cup	A	A-B	B-C	D	D-DDD
Hip (in)	29-31	32-33	34-35	36-38	39-43
Waist (in)	22-23	24-25	26-28	29-31	32-34

EXTENDED SWIM & SHORTS

	XXL	XXXL	2X	3X
US/CAN	12-14	16	18	22-24
Bust (in)	41-43	44-45	48	52
Cup	DDD-E	DDD-E	E-F	E-F
Hip (in)	44-45	45-48	48-50	51-52
Waist (in)	34-36	38-40	40-42	42-43

Our bikinis are super cheeky. Your suit should be snug, secure & tight when you first try it on so that once it's wet, you achieve a perfect active water fit. We sew very skimpy so just because the size is L, that doesn't mean more coverage. Our swimwear will keep a consistent minimal cut, no matter the style/size.

Comparison of fabric coverage between a Tai Swim Joelle Set XS & L

Tai Swim Joelle Set Size XS vs. Size L

DRESSES & PANTS

	XS	S	M	L	XL
US/CAN	0-2	2-4	4-6	6-8	10-12
Pants (in)	30	31	32	33	34
Mini Dress (in)	22	23	24	25	26
Maxi Dress (in)	51	52	53	54	55
Waist (in)	22-23	24-25	26-28	29-31	32-34

Pants are measured at the inseam. Mini & maxi dresses are measured from the neckline to the bottom of the dress.

JUMPSUITS & ROMPERS

	XS	S	M	L	XL
US/CAN	0-2	2-4	4-6	6-8	10-12
Swim Bottom	XS	XS-S	S-M	M-L	L-XL
Inseam (in)	2	2.5	3	3.5	4
Hip (in)	29-31	32-33	34-35	36-38	39-43
Waist (in)	22-23	24-25	26-28	29-31	32-34

Choose your usual swimwear bottom size for one-pieces and jumpsuits. Hip fit is most important so if you’re between sizes, size up.

BOARDSHORTS & TRUNKS

	S	M	L	XL	XXL
Hip (in)	28-30	31-33	34-36	36-38	38-42
Chest (in)	37-38	39-40	41-42	43-44	45-47

Boardshorts fit true to size. Choose your usual waist size. Secure with our lace-up adjustable string.

KIDS SWIMWEAR & TRUNKS

	1/2Y	3/4Y	5/6Y	7/8Y	10/12Y
Age	0-2	2.5-4	4.5-6	6.5-9	10-12
Hip (in)	14-18	18-20	20-23	23-26	26-29

Kids swimwear fits true to size and is based on age. Start with your child’s age, and size up if between sizes. Adjustable details and stretch allow room to grow.

To inquire about any fit/style questions for all sizes, email us at info@taiswim.co.

The essential cheeky surfer girl thong. Our number one Brazilian style bottom. Comfortably reversible and always skimpy. Coverage in back and front is the same.

This style runs true to size

Hand wash our swimwear in cold water and lay flat to dry for lasting wear

Swim, Boardshorts & Activewear are made from recycled plastic bottles using Repreve & Carvico Vita (85% ribbed recycled nylon, 15% spandex)
No hardware and buttery smooth inside lining print
Tag-less heat transfer label with seamless stitching

Tai is 5'4", Bust 32", Waist 23", Hips 31", wearing X-Small

Shannah is 5’2”, Bust 32”, Waist 26", Hips 34", wearing Small

Ileana is 5’4”, Bust 33", Waist 27", Hips 36", wearing Small

Evelyn is 5'3", Bust 38", Waist 31", Hips 38", wearing Medium

Chiana is 5’1", Bust 43", Waist 37", Hips 46", wearing XX-Large

Austin is 6'2", Chest 39", Waist 30", Hips 34", wearing 30/Medium

Gavin is 5’10”, Chest 41”, Waist 31", Hips 34", wearing 31/Medium

Meet the models on our size guide

We offer store credit for most swimwear purchased on our site with a discount of less than 20% within 14 days. Exclusions apply, see our full policy.

Complimentary plastic-free, carbon neutral USA shipping over $150.