Sewing Patterns & Templates by Simplicity. Details:Charming aprons direct from the Simplicity archives have an irresistible 1950's style. Patterns A and B have shaped hems and cleverly inset pockets. Patterns C and D have circular skirts with scalloped hems and pretty lace or ribbon rose trim. Simplicity sewing pattern packet comes with sewing templates, pattern pieces, sizing guides, and instructions for (4) aprons. Sewing templates for aprons can be made to fit misses' sizes S, M, and L.