For @willett, the creative force behind his eponymous studio, designing furniture and space is about exploring material form with a focus on things that last—like his signature Popo Chair.​ ​ At work in his Los Angeles showroom, he wears the Ace T-Shirt from Reigning Champ’s Supima Pique collection, crafted with the world’s finest cotton.​ ​ Discover the collection and follow along @reigningchamp for a special three-part series celebrating cotton, craft, and excellence.