Approximate dimensions, buttoned: Shoulder 20" Chest 24.5" Length 24" From Everlane: 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. Oversized fit. 100% cotton.