Button closure Warm Iron MATERIAL:Polyester and Cotton; Lining:Polyester. DESIGN:One-button closure, Long sleeves,Two front flap pockets.Single welt pocket at left chest is only for design.Tailored-fit sport coat featuring dual side vents, notched lapel and little shiny fabric makes you standout among the crowds OCCASION: Everyday casual wear, work, business, party, wedding, club and any celebration.Easily match with shirts and pants. WASHING:Machine wash cold separately / warm iron / hang dry. SIZE:Our jackets are slim-cut style, suggest choose 1 size up. If you are not sure about your size, please refer to our size chart.Thank you .