A-FlexSimilar levels of stretch to A-Flex Pro but with additional durability. Flatlock SeamsContour Control SeamsBody mapping technology ensures the most ergonomically shaped suit.Seal Skin NeckSuper Composite Skin neck seal, no rub and no rash. Just a great seal.Power Paddle ZonesSpecialised feature ergonomic seams and stretch fabric designed to limit resistance and maximise paddle performance.