Seal Flex VestSeal Flex Vest The Seal Flex Vest is designed for superior comfort and performance, featuring a lightweight and highly flexible construction. Its waterproof, easy to clean exterior protects against the elements, while the warm polyester fleece lining ensures insulation in cooler conditions. Practical details include two hand warmer pockets and a heavy duty YKK zipper for durability. An extended kidney flap provides additional coverage, making this