Is a 44I the same in every brand?

No - a 44I isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 44I translates in the brands we track: ThirdLove 44I, Wacoal 44I, Panache 44G, Freya 44G, Elomi 44G, Glamorise 44I, b.tempt'd 44I, Fantasie 44G. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 44I?

44I's sister sizes — same cup volume, different band — are 42J and 46H. Try a sister size if the band feels too tight or loose but the cup still fits.

44I Bras

What is a 44I in other brands?

174 bras tracked in 44I · 4 brands · See all I cup

Brands: Elomi, Glamorise, Panache, Wacoal

Your 44I across brands

A 44I isn’t the same in every brand. Here’s how a standard US 44I translates across the brands we track — and how each one runs.

Brand	How it runs	Your 44I →
ThirdLove	cups run generous	44I
Wacoal	true to size	44I
Panache	true to size	44G
Freya	band runs small	44G

What is a 44I in other brands? See all 30+ brands →

Editorial buying guide

Read the 44I buying guide

Top picks, sister sizes, and how to spot a good 44I fit.

Read →

Sister sizes

42J 46H What are sister sizes?

Sort

Your 44I across brands

Nerina Stretch Plunge Bra: Black

Molly Nursing Bra: Cameo Rose

Matilda Plunge Bra: White

Matilda Plunge Bra: Sunset

Matilda Plunge Bra: Pearl Blush

Matilda Plunge Bra: Lunar Blue

Matilda Plunge Bra: Cafe Au Lait

Matilda Plunge Bra: Black

Brianna Plunge Bra: Black

Energise Sports Bra: Navy Geo

Energise Sports Bra: White

Energise Sports Bra: Nude

Energise Sports Bra: Navy

Energise Sports Bra: Black

Priya Plunge Bra: Vanilla

Priya Plunge Bra: Black

Molly Nursing Bra: Black

Aerith Plunge Bra: Rose

Darcie Plunge Bra: Azalea

Zarla Stretch Banded Bra: Rose Bud

Zarla Stretch Banded Bra: Cafe Au Lait

Roxie Plunge Bra - Misty Rose

Liberty Plunge Bra - Black

Roxie Plunge Bra - Black

Sophia Plunge Bra - Dusky Blue

Liberty Plunge Bra - Mocha

Nerina Spacer Molded Bra: Rouge

Charley Bandless Spacer Molded Bra: Fawn

Charley Bandless Spacer Molded Bra: Black

Nerina Spacer Molded Bra: Sahara

Nerina Spacer Molded Bra: Dusty Rose

Nerina Spacer Molded Bra: Black

Bliss Full Cup Bra - Hazel

Bliss Full Cup Bra - Noir

Bliss Full Cup Bra - Rose Pink

Esme Balcony Bra - Mocha Animal

Esme Balcony Bra - Black Animal

Amara Full Cup Bra - Honey

Amara Full Cup Bra - Black

Entice Full Cup Bra - Red

Back Appeal® H-K Cup Underwire Bra: Black

Back Appeal® H-K Cup Underwire Bra: Rose Dust

Muse Plunge Bra - Cameo Rose

Muse Plunge Bra - Black

Sophia Full Cup Bra - Teal Blue

Sophia Full Cup Bra - Sienna Rose

Sophia Full Cup Bra - Black

Dana Balcony Strapless Bra - Linen

Dana Balcony Strapless Bra - Black

Dana Strapless Balcony Bra - Caramel

Estel Full Cup Bra - Honey

Estel Full Cup Bra - Noir

Estel Full Cup Bra - Navy

Dana Balcony Strapless Bra - Hazel