Mens Navy Wool Double Breasted Blazer Hawes & Curtis Double Breasted Men Brooks Brothers Men's double breasted jacket in velvet effect fabric regular fit How to wear a double breasted jacket in 5 killer looks Artofit Twice as nice: The best double breasted suits for men Mens Double Breasted Blazers at M&S. This mens knit blazer jacket features a double breasted button front with a structured lapel collar and long sleeves. Designed with front flap pockets and a regular fit, it offers a tailored silhouette suitable for business casual and smart casual wear. The soft knit construction provides a lightweight layering option over shirts or T shirts during transitional seasons. SIZE CHART (CM) Size US Size EU Size Bust (cm) Length (cm) Sleeve Length (cm) M 6 38 100 66 58 L 8 10 40 42 105 68 59 XL 12 44 110 70 60 XXL 14 46 115 71 61 SIZE CHART (INCH) Size US Size EU Size Bust (in) Length (in) Sleeve Length (in) M 6 38 39. 37 25. 98 22. 83 L 8 10 40 42 41. 34 26. 77 23. 23 XL 12 44 43. 31 27. 56 23. 62 XXL 14 46 45. 28 27. 95 24. 02