The new E7 Flashbomb HeatSeeker 5/4 Hooded wetsuit is the most technically advanced cold water suit to date, combining all new E7 Flash Lining throughout the wetsuit and the unique Version 2 Flex Energy lining that generates even more heat when stretched. Along with many more superior technical features, the Flashbomb Heat Seeker is the warmest and stretchiest hooded Flashbomb ever.