Windbreaker Jacket Design for Manufacturer

I need a professional designer to create a detailed design for a windbreaker jacket based on an example I will provide. The design should be sent in a manufacturer-friendly format, and it should include multiple color options based on the example. Please note that the design should follow the example exactly, without any custom branding or logos.

Ideal Skills:
- Proficiency in design software (preferably Adobe Illustrator)
- Experience in creating designs for apparel
- Capability to create multiple color options

Please include in your proposal:
- Your approach to this project
- Examples of similar work you've done
- Your estimated timeline for completion