Billabong Junior Suits
Billabong Men’s Size Chart
Women’s Size Chart (these are US sizes – add 4 for UK e.g. 2US=4UK, 8US=12UK)
Alder Suits
Quiksilver Suits (not all suits are made in all sizes)
Roxy Women’s Wetsuits (not all wetsuits are available in all sizes).
Note these are UK sizes.
Xcel Wetsuits
Xcel have a very good sizing document you should refer to on their website. http://www.xcelwetsuits.com/page/help/fit-sizing