Here are a few of my tips of finding the perfect Asymm mini that I think will help you choose the right one or ones :)
Decide on your budget. Asymmetrical skirts are so popular now that you can find inexpensive and designer prices.
Think of how often you'll wear it, pick a material that you can easily throw in the wash if your opting for a casual look.
Your summer look can be composed of an asymmetrical skirt, a simple t-shirt or a tank top, a pair of sandals, a bag, and some jewelry.