Jacket size: 
S: Shoulder plus sleeve length 83cm, Forepart length 62cm, Back length 75cm, Bust 106cm, Fit height 165-170cm. 
M: Shoulder plus sleeve length 85cm, Forepart length 64cm, Back length 77cm, Bust 110cm, Fit height 170-175cm. 
L: Shoulder plus sleeve length 86cm, Forepart length 66cm, Back length 79cm, Bust 114cm, Fit height 175-180cm. 
XL: Shoulder plus sleeve length 87cm, Forepart length 67cm, Back length 80cm, Bust 116cm, Fit height 180-185cm. 
XXL: Shoulder plus sleeve length 89cm, Forepart length 69cm, Back length 82cm, Bust 120cm, Fit height 185-190cm. 
XXXL: Shoulder plus sleeve length 90cm, Forepart length 71cm, Back length 85cm, Bust 128cm, Fit height 190-195cm.

They are one size smaller than most regulat fit cycling tops. So if you usually wear size S select a size M