createPerformanceMark(‘first image displayed’);Me, my shirt, and I. Sarah Jacobs/Business Insider Often basics are the most difficult articles of clothing to buy. So a few months ago, when I needed all-season wardrobe staple —a white button-up — I prepared for battle. Despite my less than optimistic expectations, I stumbled upon what I needed in an unexpected material: Tencel, a fiber made from cellulose found in wood pulp. Created by Austrian textile giant Lenzing, Tencel is actually a branded version of a similar fiber, lyocell. Think “Kleenex” versus “facial tissue.” Still considered a synthetic fiber, Tencel actually falls “somewhere in the middle,” Adheer Bahulkar, a partner at global retail-consulting firm A.T. Kearney, told Business Insider via email. It’s harvested from all-natural materials and converted into fabric using a sophisticated nanotechnology process. Despite Tencel appearing in athletic wear, bedding, and even denim since the ’90s, I had never heard of it until a frenzied hunt for my shirt one day at Anthropologie. I saw the one below hanging on a rack close to the front of the store. The style was e...