Casual Cotton Shirt Design

I'm seeking a creative designer to create a casual cotton shirt. The shirt should feature a mixed color scheme.

Requirements:
- Experience in apparel design, specifically casual shirts
- Proficiency with cotton fabric characteristics
- Strong color theory and pattern design skills
- Ability to create unique, appealing designs

Ideal Skills:
- Fashion design background
- Knowledge of current fashion trends
- Attention to detail and creativity

Please include a portfolio showcasing relevant work.