Short sleeve cotton button down with two front pockets in lavender No damage or stains From Everlane: Fit: Oversized Material: 100% Cotton Care: Machine Wash Cold. Tumble Dry Low. Or Dry Clean. The Poplin Short-Sleeve Box Shirt features a notched collar, a clean button front, relaxed short sleeves, utility-inspired patch pockets, and a boxy shape. Wear it tucked into any of our denim for an instantly cool look. Cotton poplin is densely woven, making it both durable and breathable, also giving it a crisp, cool feel.