Child's Frontier Shirt Sewing Patterns. For young boy and girl buckaroos, this classic Western shirt has three different looks: lace-up front (View A), Cavalry-style bib front (View B), or Fireman's bib front (View C). Shirt has pointed collar and shaped back yoke that's great for contrasting or pieced fabrics. Attach bib fronts with buttons or snaps. Suggested fabrics: Light to medium-weight cottons, flannel, denim, chambray, corduroy. Multi sized child's 4-14 included in pattern.