Theory is a New York-based fashion label that sells menswear and womenswear. Shop a range of new designs with us today and pick up some preowned Theory clothing in just a few clicks. Upgrade your outerwear collection and look for a new-to-you coat in a classic style, made from a wool and cashmere mix or featuring checkered patterns and more. Discover lots of other secondhand pieces designed by this clothing brand on Depop.