As mentioned in the announcement, many of these T-shirt designs are not final and are likely to change. The concepts will not, but the style and graphics may. Some of these concepts are currently being redesigned.
If you like a certain design and the style it is currently presented in, please purchase it now. The design you purchase today may not look the same tomorrow. Please know that what you see listed will be what you receive. If you come back to reorder, make sure to check the product image. It may have changed.