Learning how to design custom sportswear requires balancing visual identity with performance, durability, comfort, and production accuracy. This guide explains how to select sport-specific fabrics, compare sublimation, screen printing, heat transfer, and embroidery, and create a detailed Tech Pack with sizing, Pantone colors, logos, names, and numbers. It also covers vendor evaluation, MOQs, production timelines, physical sampling, and fulfillment logistics. By following a structured design and procurement process, teams can reduce manufacturing errors and create custom sports apparel that performs reliably during training and competition.