A 28DD is small. VERY small. Its sister sizes are 30C and 32A. A 42DD is massive. The cup is relative to the band size.

What is my bra size?

Understanding Bra Sister Sizes

Bra Sister Sizes + Sister Size Chart

What Are Bra Sister Sizes And Why Do They Matter? - SHEFIT

Sister Sizes: The Bra Secret Every Person Should Know – Sister Sizes & Equivalent Bra Size Chart – ThirdLove

Bras: What is Sister Sizing? Bra Sizing Explained by Kimmay

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Which size bra is big, A or B? - Quora

Bra Sister Sizes + Sister Size Chart

Sister Sizing 101

Sister Sizing 101

What do Bra Sizes Mean? – Curvy Kate CA

Sister Sizes (Explained)

Meesa - Sister sizes are sizes that have the same cup capacity but a different band size. Find out yours here! 😉🙃 . . . . . . . . #bra #sistersizebra #onlineshopping #womenforwomen #meesa #meesa_np

28E / 28DD Black Bralette, Women's Sports Bra in Black, Black Yoga Bra, Small Band Bra, Adjustable Bralette,28 Bra Band, Supportive Bralette - Norway

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