Good American Silver Sparkle Matching Bikini Swimsuit Size XXL NEW. Good American Matching Sparkle Silver Bikini Size XXL NEW. Good American has their own sizing system. This is a size 5 in their swimwear same as a XXL. By looking at this swimsuit I'd say it runs a little small. This brand did a really good job making a fabric that stretches and moves. Top: Silver Sparkle Band Top Retails: $65 Bottoms: Silver Sparkle Perfect Bottom Retail: $55