The 40J's band is a lot longer than the 38JJ bra.
Comparing a 38HH Elomi Morgan Banded Bra (4110) with a 36J Panache Jasmine Balconnet Bra (6951)
Elomi Beatrice Nursing Bra for moms with large cups!
Finding a nursing bra in the right size
Bra Styles Guide, Best Bras for Plus Size Women
Choosing the Right Nursing Bras for Your Body
Buy Elomi Women's Beatrice Soft Cup Nursing Bra,Black,38HH UK at
Choosing the Right Nursing Bras for Your Body
Elomi Beatrice Nursing bra F-JJ cup –
Nursing Bra: The Ultimate Guide to Choosing the Right (2024)
Eveden Elomi Beatrice Nursing Bra 8053 USA Sizing - The Breastfeeding Center, LLC