Everlane The Washable Clean Silk Relaxed Shirt in black. In excellent condition. In excellent condition. A more relaxed take on the classic button-down—with a silky smooth feel. Polished and easy, the Washable Clean Silk Relaxed Shirt has a traditional point collar and a round hem that looks just as good worn loose as it does tucked in. Plus, it’s made of our eco-conscious Clean Silk, for more beauty and less waste.