I spearheaded the concept development and technical engineering of a premium women's romper, balancing relaxed drape with structural durability. I built a comprehensive, factory-ready tech pack detailing precise seam measurements, stitch counts, and a complete fabric grading breakdown for production. The design incorporates custom fabric blend specifications, optimized hardware placement, and hidden pocket panels. The final package included detailed 2D technical flats and high-fidelity lifestyle renders showcasing realistic textile fold behavior