Calvin Klein Men's Black Short Sleeve Plain Shirt in Size XL, Sports Direct. The Calvin Klein Men's Short Sleeve Plain Shirt keeps its profile streamlined and adaptable. Clean lines and short sleeves support unrestricted movement. Product Highlights • Plain design maintains a sharp, minimal look • Short sleeves allow freedom through the shoulders • Classic tailoring holds structure throughout 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.