From Summer 2025, bought and three time, no alterations have occurred so please use the information from the Brooks Brothers link included at the bottom. Made from the world's finest fabrics, our flagship 1818 Collection celebrates heritage made iconic from over two centuries of attention to detail. You'll feel the difference with our half-canvas construction that conforms to your build for a fit that feels nothing less than luxury. From the perfect lapel roll to a beautiful drape, you'll look and feel your very best. This two-button sport coat was crafted in a wool-linen-silk blend woven in Italy by Loro Piana® and boasts a butterfly lining that nods to meticulous attention to detail. CLASSIC FIT: Our average fit across chest, body and sleeves. (formerly known as Regent Fit) 2-button closure; side vents; butterfly lining; finished sleeves 77% Wool, 13% Linen, 10% Silk Dry Clean Imported Link- https://www.brooksbrothers.com/classic-fit-wool-linen-silk-overcheck-1818-sport-coat/MM01204.html