Length -> Measure full of the garment length from shoulder to the bottom hem.
Bust -> Measure around the fullest part of your chest with your arms down by your side.
Waist -> Measure around the natural waist line.
Hip -> Measure around the fullest part of the hip.
Size measurements in centimeter:
M/L L/XL 3XL Front Length (cm) 178 182 186 Back Length (cm) 182 186 190 Waist (cm) 98 102 106