Men's Formal Wear Design

I need a skilled clothing designer to create a formal wear collection for men. The specific items required are:

- Trench Coats
- Long Sleeve Polos
- Trouser
- Casual blazers

Ideal skills and experience:
- Expertise in men's formal wear design
- Experience with elegant clothing
- Strong knowledge of fabric and tailoring techniques
- Ability to create stylish, functional, and marketable designs

Please provide a portfolio with relevant work.