Find the balance
Compare the shoulder width, sleeve length and finish at the hem. These details affect whether a sweatshirt feels compact or relaxed in an outfit. If you like a particular piece you already own, its laid-flat measurements are a useful point of comparison.
Read the garment, not just the label
Check the composition, garment measurements and care instructions for the particular piece. Similar names can describe different cuts across collections. Measure a garment you enjoy wearing laid flat, then compare the chest, length, waist or inseam as appropriate. Keep any care treatment consistent with the label.