Casual Wear Jacket Tech Pack

I'm looking for an experienced fashion designer to create concept sketches and a comprehensive tech pack for casual wear jackets. The tech pack should include:

- Materials
- Measurements
- Construction details

This is to prepare for prototyping and manufacturing. Ideal skills and experience include:

- Proficiency in tech pack creation
- Strong knowledge of casual wear design, especially jackets
- Experience with materials and construction techniques

Please provide a portfolio showcasing relevant work.