MOGU Men's 1 Button Center Vent Wool Blend Patchwork Blazer Jacket This is Asian Size Please Choose The Right Size Based On Your Chest From The Size Option, If Your Body Chest is 42" Our Size 5XL Would Be Snug Fit Center Vent and 2 Flap Pockets Fully Lined with Inside Pockets Single Breasted One Button Opening 65% Polyester 25% Viscose Rayon 10% Wool