Fit Sizing Guides

Size Guide - Bras

Size Guide
Size Chart
How To Measure

Follow these steps for your perfect fit

1. Get a measuring tape

Grab a measuring tape, you can do this on your own or get a friend to help. Wear a non-padded bra, sports bra or nothing at all but make sure your arms are by your side.

2. Measure your band size

Align the tape directly under your bust, ensuring it is parallel to the floor, snug but not tight.
Take a deep breath and record your measurement.

3. Measure your bust size

Wrap the tape at band level around your back, under each arm, and over the fullest part of your bust, keeping it parallel to the floor.
Pull the tape lightly. Take a deep breath and record your measurement.

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4. Find your cup size

Subtract your band size from your bust size. The difference determines your cup size.

Example: Bust 36” - band 32” = Cup 4” (D)

Cup Size Chart

A B C D DD DDD SDD MDD LDD XLDD 2XLDD
1” 2” 3” 4” 5” 6” 7” 8” 9” 10” 11”
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Size Bra Size
XS 32A 32B 32C
S 32D 34A 34B 34C
M 34D 36A 36B 36C
L 36D 38A 38B 38C
XL 38D 40B 40C 40D
SDD 32DD 32DDD 32G 34DD 34DDD
MDD 34G 36DD 36DDD
LDD 36G 38DD 38DDD 38G
XLDD 40DD 40DDD 40G
42C 42D 42DD
2XLDD 42DDD 42G 44D 44DD 44DDD
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100% Fit Guarantee
If your order doesn't fit perfectly, please contact our team of fit experts within 30 days of the date of delivery at seamlesssupport@join-eby.com 

Size Guide - Panties

Size Full Hip (in) Waist (in) Pants
XS 33-35 23-25 00-2
S 36-38 25-28 2-4
M 39-41 28-30 6-8
L 42-44 31-34 10-12
XL 44-47 34-36 14-16
1X 48-50 37-39 16-18
2X 51-53 39-41 18-20
3X 54-56 41-43 22-24
4X 57-60 43-45 26-28

Size Guide - Tanks

Size Dress Size
XS 00-2
S 2-4
M 6-8
L 10-12
XL 14-16
1X 16-18
2X 18-20

Bra & Bralette Comparison

Only Bra Support Bralette Sheer Bralette Wireless Bralette
Compare Relief Bra Support Bralette Sheer Bralette Wireless Bralette
Seamless yes yes yes yes
Sheer no back yes no
Straps adjustable adjustable fixed fixed
Wide Straps plus sizes plus sizes yes yes
Neck v-plunge scoop v-plunge v-neck
Lift 1 in. 1 in. 1 in. 1 in.
Pads removable removable none removable
Pad Shape teardrop circle none teardrop
Underwire softwire wireless wireless wireless
Slip-Proof softwire back yes no
Material 85% nylon, 15% spandex 85% nylon, 15% spandex 85% nylon, 15% spandex 85% nylon, 15% spandex