"Our new E7 Flashbomb Heat Seeker 5/4 Hooded wetsuit is our most technically advanced cold water suit to date, combining all new E7 Flash Lining throughout the wetsuit and our 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 our warmest and stretchiest hooded Flashbomb ever." Rip Curl Thinktank