1850s-1900s Step Collar Waistcoats Pattern Sewing Pattern- 1850s-1900s SB & DB Waistcoat with Step Collar Pattern Fits chests 38"-54" with instructions for making the pattern fit larger sizes. All sizes are included in one envelope. Embellishment suggestions, historical notes and period tailoring techniques included. Yardage Requirements: 2 yds at least 45" wide, (1 yard each if making plain linen back).