Chest: Measure from the bottom of one armpit seam across to the bottom of the other armpit seam. Double the number to get the actual chest size. 

Body Length: Measure from the top of the neck seam to the bottom of the garment.  

Please note* the sizing chart is a general guide as all items are thoroughly washed where slight shrinking may occur, and are on various tags. Check listing photos for exact measurements where applicable.