Activewear Pattern Drafting and Grading: From XS to XXL

Designing activewear requires a deep understanding of stretch percentages, body movement, and precise pattern grading. This written guide teaches you the foundational principles of drafting and grading a classic two-piece fitness set. You will transition from understanding basic body measurements to mastering the technical math behind sizing up and down. Learn to calculate negative ease for high-performance stretch fabrics. Understand how to draft a foundational two-piece activewear set pattern from scratch. Grade patterns accurately across a full size spectrum from XS to XXL. Configure pattern layouts for standard A4 and large-format plotter printing. Apply modern seam allowances and construction guidelines for durable activewear. You will begin with essential activewear terminology and fabric science before moving into step-by-step drafting calculations. The text-only format guides you through the precise geometry of grading and layout preparation. Designed for beginners and aspiring pattern makers, this course requires no prior pattern-drafting experience. Start drafting your custom fitness wear patterns today.