Rip Curl E7 Flashbomb Heat Seeker 3/2 Zip Womens The new Flashbomb E7 Heat Seeker 3/2 Zip Free Wetsuit is our most technically advanced cold-water wetsuit. As well as being the world's fastest drying wetsuit, the Flashbomb Heat Seeker is our warmest and stretchiest Flashbomb yet. FEATURES 3/2mm Zip Free entry system E7 Flash Lining Neoprene Flex Energy E7 Flash-Lining 100% E7 Flash Lining that is exclusive to Rip Curl. At has an incredible 20% more stretch than E6 Flash Lining. Further improved drying properties for Ultimate warmth and comfort. Flex Energy A revolutionary lining on the back and shoulders that generates heat when stretched. As you move through the water, the Flex Energy lining will activate and heat your wetsuit. Stay active, stay warm. Single Seam Crutch No seam to sit on and increase stretch Unbroken Panel Back and shoulders, to maximise paddle efficiency and ease of movement.