The Peaky Blinders Waistcoat - Vintage Vest + Matching Pants and Shirt Package (Peaky Blinder Custome)Tommy and Arthur Shelby are also seen without their suits and coats. Dress like them and wear a penny collar shirt together with a waistcoat. The fabrics and the cut of the penny collar shirt and the waistcoat are essential. Usually, the waistcoat is a simple single breasted suit waistcoat but we can find Tommy wearing pinstripes waistcoats, tweed waistcoats and even Prince of Wales patterns waistcoats. And, of course, don't forget the waistcoat chain.