knowhersize

Bra size guides

Plain answers on bra sizing, grouped by what you need: the basics, fit for your body, what to wear under different outfits, and looking after your bras.

Sizing basics

How bra sizes work, how to measure, and every country's sizes.

Fit by body

Fit checks and bras for different breast shapes.

By outfit

What to wear under backless, strapless and sportswear.

Bra care

Washing, storing and knowing when to replace a bra.

Buying for her

Find her size without asking, and gifts that forgive a guess.