Perfect for casual Fridays or a smart Saturday lunch, this smarter blazer combination will vary slightly depend if it’s work or play that you’re about to embark on. Marks & Spencer's black suit jacket is a contemporary take on classic suiting. Tailored fit with two vents and added stretch for effortless all-day wear. Smart slim cut, with notched lapels and a single-breasted, one-button fastening that won't fall off. Matching polyester lining and trim. Boasting of a single inside and three outer pockets finishes the look.