Boss Men's Blue 101 Slim Fit Jeans in Size M, Sports Direct. The BOSS Maine3 101 Slim Fit Jeans are cut for a streamlined profile. The design maintains clean lines without restriction. Product Highlights • Belt loops and button fly fastening • Reinforced stitching throughout for lasting structure • Durable denim built for repeat wearLooking for alternatives to stores like JD Sports, eBay, SHEIN, ASOS, Next, Best Choice UK, Very, Decathlon UK, Argos, schuh, Temu, BuyBetter, or Nike Official? Discover our unique selection.