Charles Tyrwhitt Men's Slim Fit Pure Wool Textured Suit Jacket - 40REG - Yellow Mix - Available at M&S

This Charles Tyrwhitt suit jacket is crafted from pure wool twill for a luxurious textured look. It's cut in a modern slim fit, with a two-button fastening at the single-breasted front. A double back vent ensures easy movement. The flap pockets at the waist are complemented by a chest pocket that's ideal for a silk square.