Techpack for Luxury T-Shirts

I'm seeking a skilled designer to create a detailed techpack for short sleeve Polo t-shirts made from cashmere and silk. The techpack should include precise collar design and specifications for custom labels.

Requirements:
- Expertise in designing for luxury fabrics like cashmere and silk
- Knowledge of short sleeve t-shirt construction and design
- Experience in creating comprehensive techpacks
- Attention to detail, particularly in collar design and label integration

Ideal Skills:
- Fashion design background
- Proficiency in technical drawing and specification development
- Familiarity with luxury garment production

Please provide samples of previous techpacks and designs.