Packable Half-Zip Windbreaker Tech Pack

I need a detailed tech pack for a lightweight, half-zip nylon windbreaker that prioritises breathability and folds down small enough to disappear into a pocket. The document has to guide sampling and production... (Budget: £250 - £750 GBP, Jobs: 3D Modelling, Adobe Illustrator, CAD/CAM, Fashion Design, Graphic Design, Illustration, Pattern Making, Technical Drawing / Tech Pack)