Oversize T-Shirt Design for Product Launch

I'm looking for an experienced designer to create an oversize t-shirt for our upcoming product launch. The t-shirt will be used as promotional merchandise.

Requirements:
- The design should incorporate my existing branding and logos.
- The design should be eye-catching and align with the theme of our product launch.
- Ideally, you should have experience in creating designs for promotional merchandise and a strong understanding of current fashion trends.

Please share your portfolio and relevant experience.