This double-breasted blazer is made sustainably from luxury deadstock fabric, featuring a 100% cotton lining and compliant with leading Standard 100 OEKO-TEXⓇ 961665.O. The 395g tailoring fabric offers structure whilst being breathable as it is made from 100% cotton. Designed to evolve to suit your needs through a panel system on the side seams; the blazer side seams can be worn closed or you can select and zip in one of three panels to suit your needs. Panel size 1 = UK 10/12Panel size 2 = UK 14/16Panel size 3 = UK 16/18 Dropped underarms and eyelets ensure breathability when you need it most. Tailored to be worn as part of a formal ensemble or paired with jeans for a more casual look. Our Model Karen is 5'6 and is wearing our UK10/12 panel.