Comparing a Wacoal Halo Lace Seamless Underwire (65149) with Vanity Fair Beautiful Benefits Underarm Smoother Underwire (75020) in 38C

Summary

The band is pretty much the same in both bras. Even though the Wacoal has much wider cups, the Vanity Fair has much deeper cups.

	38C 38:3 Wacoal Halo Lace Seamless Underwire (65149)	38C 38:3 Vanity Fair Beautiful Benefits Underarm Smoother Underwire (75020)
Fits ribcage
	100.3 (+100.3cm)	0.0
Breast perimeter
	25.4 (+25.4cm)	0.0
Band length
	77.5 (+1.3cm)	76.2
Stretched band
	0.0	0.0
Cup width
	15.2 (+1.3cm)	14.0
Cup depth
	20.3	25.4 (+5.1cm)
Wire length
	25.4	25.4
Cup height
	0.0	0.0
Gore height
	0.0	0.0
Wing height
	0.0	0.0
Strap width
	1.5	2.5 (+1.0cm)
Cup separation
	3.8 (+0.6cm)	3.2
Hooks
	2	2
Total bras
	1	1

People who have both bras say: