Blue Cotton Oxford, Spread Collar With Removable Stays, Buttoned Cuffs, Button Fastenings, 100% Cotton, Machine Wash. Hugo Boss ' 'Jenno' shirt is an adaptable addition to your formalwear repertoire, acting as a smart alternative to classic white styles. Detailed with removable collar stays, it's made from easy-iron cotton Oxford that's crisp enough to hold its shape, and has a neat slim profile that prevents sagging. It looks particularly sharp when worn with a navy suit.