Gemma is 175cm tall and size 8 wearing size S.
Kiri is 172cm tall and size 14 wearing size XL.
If you are size 4-10 (XXS to M) you can choose a size down. However, if you have a big bust or you want to wear thicker knits under the jacket, then you should choose your standard size.
If you are size 12+ (L to XXL) you should choose your standard size
Size XXS: bust 88cm, back length 53cm
Size XS: bust 92cm, back length 54cm
Size S: bust 96cm, back length 55cm
Size M bust 100cm, back length 56cm
Size L: bust 104cm, back length 57cm
Size XL: bust 108cm, back length 58cm
Size XXL: bust 116cm, back length 59cm
Size XXXL: bust 122cm, back length 60cm
Store out of sunlight. Dab clean with a damp cloth or dry clean by a specialist.
100% nylon