COSSIE+CO sizing is very simple - swimsuits are sized 1 to 5. Below is a conversion chart with comparable sizing. Not all styles are available in all sizes. If you have any questions feel free to email us at cossie.help@cossieandco.com

1 2 3 4 5
UK 8 10 12 14 16
EU 36 38 40 42 44
US 4 6 8 10 12
AU 8 10 12 14 16

 

Those with a fuller bust or long torso may wish to take one size up.

Our one piece measurements are taken from the neckline to the gusset.

THE POPPY (regular length)

1 2 3 4 5
CM 44 46 48 50 52

 

THE POPPY (longer length)

1 2 3 4 5
CM 47 49 51 53 55

 

THE MILLY

1 2 3 4 5
CM 43 45 47 49 51

 

THE ASHLEY

1 2 3 4 5
CM 45 46 47 48 49

 

THE LAURA

(please note this style has adjustable straps)

1 2 3 4 5
CM 48 50 52 54 56

 

THE EDIE

1 2 3 4 5
CM 52 54 56 58 60