Vintage Surf Apparel Design

I need vintage-style designs for retro tees and hoodies for my surf brand, World Lovers Surf Co. The designs should be similar to brands like O'Neill, Hurley, and Billabong.

Requirements:
- Incorporate surfboards and waves in the artwork
- Use a muted and earthy color palette

Ideal Skills and Experience:
- Experience in vintage apparel design
- Strong understanding of surf culture and aesthetics
- Proficiency in graphic design software

Please share a portfolio with relevant work.