40I Bras
What is a 40I in other brands?
319 bras tracked in 40I · 7 brands · See all I cup
Brands: Elomi, Fantasie, Freya, Glamorise, Panache, ThirdLove, Wacoal
Your 40I across brands
A 40I isn’t the same in every brand. Here’s how a standard US 40I translates across the brands we track — and how each one runs.
Editorial buying guide
Read →Read the 40I buying guide
Top picks, sister sizes, and how to spot a good 40I fit.
Sister sizes
70% off
Panache
Anya Riva Print Balcony Tankini - Blue/Floral
$23.50$79.00
40% off
Glamorise
No-Bounce Camisole Sports Bra White
$29.90$50.00
40% off
Glamorise
No-Bounce Camisole Sports Bra Parfait Pink
$29.90$50.00
40% off
Glamorise
No-Bounce Camisole Sports Bra Cafe
$29.90$50.00
40% off
Glamorise
No-Bounce Camisole Sports Bra Black
$29.90$50.00
70% off
Panache
Kira Active Balcony Swimsuit - Mulberry
$31.00$104.00
50% off
Panache
Tango Balcony Bra - Nutmeg
$32.00$64.00
50% off
Panache
Tango Balcony Bra - Navy
$32.00$64.00
50% off
Panache
Sophie Nursing Bra - Linen
$33.50$67.00
50% off
Panache
Chi Chi Balcony Bra - Cappuccino
$34.00$68.00
50% off
Panache
Envy Full Cup Bra - Terracotta
$35.50$71.00
50% off
Panache
Harmony Plunge Bra - Hot Pink
$36.00$72.00
50% off
Panache
Lauren Plunge Bikini Top - Verde
$36.50$73.00
35% off
Panache
Tango Essence Balcony Bra - Cherry Red
$36.50$56.00
50% off
Panache
Lauren Plunge Bikini Top - Magenta
$36.50$73.00
50% off
Panache
Esme Balcony Bra - Ziggy
$37.00$74.00
50% off
Panache
Esme Balcony Bra - Wildflower
$37.00$74.00
50% off
Panache
Esme Balcony Bra - Wonderland
$37.00$74.00
50% off
Panache
Bliss Full Cup Bra - Lilac
$38.00$76.00
50% off
Panache
Radiance Full Cup Moulded Bra - Ash Rose
$38.00$76.00
51% off
Panache
Botanical Balcony Bikini Top - Botanical Floral
$38.00$77.00
35% off
Glamorise
MagicLift Minimizer Bra White
$39.00$60.00
35% off
Glamorise
MagicLift Minimizer Bra Cafe
$39.00$60.00
35% off
Glamorise
MagicLift Minimizer Bra Blue
$39.00$60.00
35% off
Glamorise
MagicLift Minimizer Bra Black
$39.00$60.00
50% off
Panache
Estel Full Cup Bra - Royal Blue
$41.00$82.00
50% off
Panache
Estel Plunge Bra - Royal Blue
$41.00$82.00
50% off
Panache
Estel Plunge Bra - Blush Pink
$41.00$82.00
50% off
Panache
Estel Plunge Bra - Berry
$41.00$82.00
50% off
Panache
Jaida Plunge Bra - Scarlet
$41.00$82.00
50% off
Panache
Estel Full Cup Bra - Sage
$41.00$82.00
50% off
Panache
Estel Plunge Bra - Rose Gold
$41.00$82.00
30% off
Glamorise
MagicLift Original Support Bra White
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Glacier
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Folkstone Gray
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Dark Teal
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Burgundy
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Blue
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Black
$41.30$59.00
30% off
Glamorise
MagicLift Original Support Bra Blush
$41.30$59.00
50% off
Panache
Josephine Full Cup Bra - Cobalt/Latte
$41.50$83.00
50% off
Panache
Natalia Full Cup Bra - Bordeaux Red
$41.50$83.00
30% off
Glamorise
MagicLift Seamless Sports Bra Charcoal Gray
$42.00$60.00
30% off
Glamorise
MagicLift Seamless Sports Bra White
$42.00$60.00
30% off
Glamorise
MagicLift Seamless Sports Bra Ruby Red
$42.00$60.00
30% off
Glamorise
MagicLift Seamless Sports Bra Frosted Aqua
$42.00$60.00
30% off
Glamorise
MagicLift Seamless Sports Bra Cafe
$42.00$60.00
30% off
Glamorise
MagicLift Seamless Sports Bra Black
$42.00$60.00
50% off
Panache
Illuminate Full Cup Bra - Dark Green
$43.00$86.00
50% off
Panache
Anya Spot Balcony Tankini Top - Black/White
$43.00$86.00
50% off
Panache
Anya Spot Balcony Tankini Top - Navy/Ivory
$43.00$86.00
30% off
Glamorise
MagicLift Front-Closure Posture Back Bra Blue
$43.40$62.00
30% off
Glamorise
MagicLift Front-Closure Posture Back Bra White
$43.40$62.00
30% off
Glamorise
MagicLift Front-Closure Posture Back Bra Cafe
$43.40$62.00
30% off
Glamorise
MagicLift Front-Closure Posture Back Bra Black
$43.40$62.00
50% off
Panache
Eden Balcony Bra - Black
$46.50$93.00
50% off
Panache
Ashley Padded Balcony Bra - Black
$46.50$93.00
50% off
Panache
Eden Balcony Bra - Pink
$46.50$93.00
35% off
Panache
Non Wired Sports Bra - Black
$46.50$71.00
35% off
Panache
Non Wired Sports Bra - Latte
$46.50$71.00