Thinking about purchasing a pair of Heat Wave shades but want to make sure they're going to fit before making a purchase? The Heat Wave Fit Kit gives you the chance to try on all of our frames styles at home to ensure sure you can find the pair that's right for you. We'll ship you 1 pair of each frame style (excluding the Lazer Face and Quatro) along with a return label that you can use to ship them back to us. Once you've found a pair that works, send everything back to us and we'll issue you a full refund for the kit. Includes frame sets without lenses along with a return label: Vise XL Vise Supercat Regulator Interceptor Apollo Performance Vise Performance XL Vise 1 return label (USA customers only) Free return shipping is currently only available to customers in the USA.