The Birch Vest is a lined waistcoat with princess seams, a deep scoop neckline, and a front button closure. A transitional wardrobe staple, Birch can be worn alone or layered with matching separates for a tailored or casual style. Techniques Covered in this Pattern: Princess seams Understitching Lining a bodice Buttons/Buttonholes Sizes: US sizes 0 - 30 with B, C, and D Cup options. Difficulty: Intermediate. For sizing yardage requirements, click here. For the finished garment measurements, click here. Interfacing: Approximately 1/4 meter of 50.8 cm wide fusible interfacing (choose interfacing based on fabric weight). Notions: 20 mm buttons recommended (4 buttons for sizes 0-22, 5 buttons for sizes 24-30). Fabric Recommendations: Outer Shell: Medium-weight woven fabrics such as linen, cotton poplin, cotton twill, wool suiting, and denim. Lining: Light weight woven fabrics such as linen, cotton lawn, rayon bemberg, and satin. PDF Files Included in Downloads: Instruction Booklet (19 pages) Print-at-home pattern files - US Letter and A4 (24 pages per cup size) Copyshop Pattern Files - A0 Size (2 sheets per cup size) Pattern files include size layers and sheet printing instructions so you only have to print what you need.