28I Bras
What is a 28I in other brands?
181 bras tracked in 28I · 2 brands · See all I cup
Your 28I across brands
A 28I isn’t the same in every brand. Here’s how a standard US 28I translates across the brands we track — and how each one runs.
| Brand | How it runs | Your 28I → |
|---|---|---|
| ThirdLove | cups run generous | 28I |
| Wacoal | true to size | 28I |
| Panache | true to size | 28G |
| Bravissimo | true to size | 28G |
Editorial buying guide
Read →Read the 28I buying guide
Top picks, sister sizes, and how to spot a good 28I fit.
Sister sizes
70% off
Panache
Mila Plunge Bikini Top - Brick Red
$20.50$69.00
58% off
Panache
Juna Balcony Bra - Chai
$22.00$53.00
61% off
Panache
Lexi Balcony Bra - Latte
$23.00$59.00
51% off
Panache
Koko Plunge Bra - Black
$29.00$59.00
60% off
Panache
Porcelain Elan Moulded Plunge Bra - Chai
$29.50$74.00
60% off
Panache
Porcelain Elan Moulded Plunge Bra - Black
$29.50$74.00
50% off
Panache
Asher Balcony Bra - Black
$30.00$60.00
50% off
Panache
Asher Balcony Bra - Latte
$30.00$60.00
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
Cherie Demi Bra - Neon Lime
$33.00$66.00
51% off
Panache
Valentina Luxe Plunge Bra - Black
$33.00$67.00
50% off
Panache
Blossom Balcony Bra - Daisy Chain
$33.00$66.00
50% off
Panache
Addison Plunge Bra - Paradise Pink
$33.50$67.00
50% off
Panache
Sophie Nursing Bra - Linen
$33.50$67.00
50% off
Panache
Allure Demi Balcony Bra - Ruby Red
$35.50$71.00
50% off
Panache
Ana High Apex Padded Plunge Bra - Midnight Sequin
$35.50$71.00
50% off
Panache
Envy Plunge Bra - Emerald Leopard
$35.50$71.00
50% off
Panache
Nina Balcony Bra - Black Floral
$35.50$71.00
50% off
Panache
Belle Balcony Bra - Butterflies
$35.50$71.00
50% off
Panache
Astrid Plunge Bra - Pale Blue
$35.50$71.00
50% off
Panache
Belle Balcony Bra - Hearts
$35.50$71.00
50% off
Panache
Ana High Apex Padded Plunge Bra - Blue/Ash Rose
$35.50$71.00
50% off
Panache
Allure Demi Balcony Bra - Bluebell
$35.50$71.00
50% off
Panache
Envy Full Cup Bra - Terracotta
$35.50$71.00
50% off
Panache
Ana High Apex Plunge Bra - Sage/Sand
$35.50$71.00
50% off
Panache
Billie Plunge Bikini Top - Rossa Red
$36.50$73.00
35% off
Panache
Tango Essence Balcony Bra - Cherry Red
$36.50$56.00
35% off
Panache
Lyzy Triangle Bra - Black
$37.00$57.00
50% off
Panache
Faith Moulded Strapless Bra - Ivory
$37.00$74.00
50% off
Panache
Meadow Plunge Bra - Black
$38.00$76.00
50% off
Panache
Radiance Full Cup Moulded Bra - Ash Rose
$38.00$76.00
50% off
Panache
Meadow Plunge Bra - Raspberry
$38.00$76.00
36% off
Panache
Tango Plunge Bra - Black
$42.50$66.00
35% off
Panache
Nina Balcony Bra - Blue Bows
$43.00$66.00
35% off
Panache
Eleanor Nursing Bra - Latte
$44.00$68.00
35% off
Panache
Envy Plunge Bra - Sky Blue
$44.00$68.00
35% off
Panache
Porcelain Elan Moulded Strapless Bra - Chai
$45.50$70.00
35% off
Panache
Porcelain Elan Non Padded T Shirt Bra - Chai
$46.00$71.00
35% off
Panache
Porcelain Elan Non Padded T Shirt Bra - Black
$46.00$71.00
50% off
Panache
Ottilie Low Balcony Bra - Black
$46.00$92.00
35% off
Panache
Non Wired Sports Bra - Black
$46.50$71.00
35% off
Panache
Non Wired Sports Bra - Latte
$46.50$71.00
35% off
Panache
Boundless Non Wired Sports Bra - Abstract Animal
$46.50$71.00
35% off
Panache
Envy Full Cup Bra - Chai
$47.00$72.00
35% off
Panache
Envy Full Cup Bra - Chestnut
$47.00$72.00
35% off
Panache
Envy Full Cup Bra - Teal
$47.00$72.00
35% off
Panache
Porcelain Elan Moulded T Shirt Bra - Chai
$48.00$74.00
35% off
Panache
Porcelain Elan Moulded T Shirt Bra - Black
$48.00$74.00
35% off
Panache
Allure Full Cup Bra - Forest Green
$48.00$74.00
35% off
Panache
Allure Demi Balcony Bra - Champagne Gold
$49.50$76.00
35% off
Panache
Marlene Balcony Bra - Black
$55.00$85.00
Freya
Freya Flirt Padded Half Cup Bra: Black
$58.00
Freya
Quinn Plunge Bra: Cameo
$60.00
Freya
Quinn Plunge Bra: Black
$60.00
Freya
Freya Spot Light Plunge Bra: French Vanilla
$62.00
Freya
Entwined Plunge Bra: Tattoo
$62.00
Freya
Fascinate Balconette Bra: White
$62.00
Freya
Fascinate Balconette Bra: Cherry
$62.00
Freya
Fascinate Balconette Bra: Black
$62.00