Classic Hawaiian shirt, comfortable and breathable light fabric, could provide cool and pleasant in hot summer. Fabric: (95% polyester and 5% spandex)Care instructions: Warm machine wash (below 40 degrees). Warm iron (below 110 degrees). Do not use bleach. Size Chart: This size guide shows product measurements taken when products are laid flat. Actual product measurements may vary by up to 2.5cm/1".