1. Find out if a pair of jeans fits without a trip to the dressing room.
Ready for a mind-blowing fashion hack? According to Lauren Edelstein, Style Director at Shopbop, all you need to do to determine whether or not a pair of jeans will fit is to wrap the waist around your neck — if the ends meet without overlapping (or stretching), they’ll fit your waist. “The neck trick is one I was skeptical about, but it really works!”