McCall's Pattern M6124 provides templates for women's shirts in 3 lengths and with 5 detail variations. This Size RR pattern template covers women's sizes 18w, 20w, 22w and 24w (with U.S. sizing). Fabrics recommended for these projects include light-weight options such as cottons, cotton blends, challis, crepes, silk rayons, linen blends and chambrays. Shirts A, B, C, D and E have princess seams, side slit openings, a front band, collars, stitched hems and sleeve variations. Shirt E's length rests above the middle of one's knee. Notions required for each shirt include thread and 1-2" buttons. Shirts A and B require 6 buttons, shirt C requires 8, shirt D requires 10 and shirt E requires 11.