For a professional touch, many companies specialize in creating engaging crowdfunding videos, particularly for fashion products.
You might want to look into local video production firms that offer full services, including model sourcing and setting up the right backdrops.
A good example of a company that handles such requests and could potentially help you is
http://www.thirdbornentertainment.com/. They have experience with a wide range of video production services and could likely accommodate your specific needs for a Kickstarter video.