A - Chest
Lay the garment out flat and measure it from one side to the other at armpit level. Fasten any buttons or zips if present.

B - Shoulders
Lay the garment out flat and measure it from one side to the other at armpit level. Fasten any buttons or zips if present.

D - Sleeve Length
Lay the garment facedown and measure from the middle of the neck to the cuff down the outer edge.

E - Sleeve Width
Lay the garment flat and stretch out the sleeves. From the armhole seam, measure the width of the sleeve parallel to the cuff.

F - Length
Lay the garment facedown and measure from the middle of the neck to the bottom hem.