Comparing a 30D with 30DD in Natori Boa Full Fit Underwire Convertible Contour (736049)

Summary

The band is pretty much the same in both bras. The 30DD bra has wider cups but they are both about the same depth.

Sizing

The 30D is 1 cup smaller than the 30DD.

	30D 30:4 Natori Boa Full Fit Underwire Convertible Contour (736049)	30DD 30:5 Natori Boa Full Fit Underwire Convertible Contour (736049)
Fits ribcage
	73.2	73.2
Breast perimeter
	19.7	22.1 (+2.4cm)
Band length
	58.2	58.7 (+0.5cm)
Stretched band
	80.6 (+0.2cm)	80.4
Cup width
	12.1	13.3 (+1.3cm)
Cup depth
	19.2	20.0 (+0.8cm)
Wire length
	22.2 (+0.0cm)	22.2
Cup height
	0.0	0.0
Gore height
	2.9	2.9 (+0.0cm)
Wing height
	7.9 (+0.1cm)	7.8
Strap width
	2.0	2.0 (+0.0cm)
Cup separation
	2.4 (+0.1cm)	2.3
Hooks
	2	2
Total bras
	8	5