Relaxed-BUY 066 Men's Slim Fit Long Sleeve Polka Dot Casual Buttons Shirts 80% Polyester 20% cotton,breathable Smooth ,soft touch with your skin The US size,when you place the order,please refer to the size chart. Please wash by hand with 30 degree like colors,gentle cycle,not rub. Mens shirts has long sleeves with buttons cuffs,buttons collar. Mens dress shirts with full buttons front closure,V-neck shirt The long sleeves shirts have button cuffs,a shirttail hem end the shirt