Formal Wear Techpack Design

I need a detailed tech pack for formal wear shirts and trousers.

Shirts Requirements:
- Button-down collars
- Pockets
- Chest logo
- Slit design

Trousers Requirements:
- To be determined (please provide your suggestions)

Ideal Skills and Experience:
- Experience in creating tech packs for formal wear
- Strong knowledge of garment construction and design details
- Proficiency in design software
- Attention to detail and accuracy

Please share your portfolio and relevant work experience.