BOSS Mabsoot Shirt Update your wardrobe with this Mabsoot Shirt from Boss. Crafted in a soft cotton material, this shirt is cut in a slim fit and features a pointed button down collar with a central button down closure, long sleeves, buttoned cuffs and a curved hemline for a classic style. The look is finished with the brand s signature logo embroidered to the chest for brand recognition. Machine washable at 40 degrees..