PFI's Classroom-in-a-Book patterns include comprehensive directions and insider tips so you can complete your project like a pro! #2113 ZIP HENLEY SHIRT [Sizes XS-XL] Loose-fitting short-sleeved unisex shirt. Collarless (View A) or with camp collar (View B), shirt has dropped shoulders and center front seam with front neck zip closure. Suggested fabric: Lightweight fabrics such as cotton and cotton blends. Batiste, broadcloth, calico, challis, chambray, eyelet. Avoid plaids. Stripes okay. Notions: One spool all-purpose polyester thread, chalk pencil, blue water-soluble marker, lightweight fusible knit interfacing, 2, 7"-9" polyester coil zipper (not invisible, no metal teeth), four cones of polyester serger thread (optional). This pattern is taught in PFI's APPAREL CONSTRUCTION class, LEVEL 1