Well, as a customer whenever I have to shop online I prefer easy to navigate sites. And, I know that is the case for everyone.
Obviously, who wants to waste their time on a site that is difficult to navigate. Imagine spending hours researching a product on one site and doing the same search on the other site in minutes!
When I visit an online clothing store, I prefer to look for product variations like the colors and sizes available. These are the most basic attributes that everyone prefers to look at before investing in a product.