BOSS C Hal Kent C4 Long Sleeved Shirt In Dark Blue Navy. Casual Fit. A full front pearlescent white button fastening with a contrasting bottom button in the signature BOSS three stripes. A standard boned shirt collar which features a branded locker loop on the interior. Adjustable pearlescent white button fastening cuffs on the long sleeves. A curved hem design and top stitching in dark blue navy. 100% Cotton. Colour: blue