Rip Curl's Flashbomb 7/5 Mittens are sure to keep your hands from cramping up in the coldest waters. Equipped with E6 Flash Lining you will experience ultimate warmth, stretch and comfort. Seams are sealed with silicon and reinforced with external tape. The 5mm sealed cuffs helps to ensure that water is locked out. The E6 flash Lining doesn't just provide warmth, it is also has 20% more stretch than E5. These premium features paired with gripped palms will keep your hands functional and comfortable for your entire session.