The band is pretty much the same in both bras. The 30DD bra has deeper cups than the 30D bra, but they are about the same width.
Gossard Women's Glossies Sheer Moulded Bra, Black (Black), 34D on
GOSSARD GLOSSIES SHEER BRA Boutique Bielizny - Sklep z bielizną
Bra Review: Gossard Glossies Sheer Plunge in White – Brastop US
30FF Model Josie Reviews Gossard Glossies Bra
Comparing a 30DD with 30D in Gossard Glossies Moulded Bra (6271)
Gossard Women's Glossies Sheer Moulded Bra, Green (Sage), (30) 30B
Glossies Lace Sheer Bra
Bra Review: Gossard Glossies Sheer Plunge in White – Brastop US
30DD - Parfait By Affinitas » Charlotte Padded Bra (6901)
Glossies Sheer Moulded Bra - Violet - Gossard®
Classic Gossard Glossies are back, elevate your wardrobe with mood-lifting Violet for a fresh vibrant look! Part of our best-selling sheer lingerie,
Glossies Sheer Moulded Bra - Violet
Glossies Lace Sheer Bra