Aqua Lung Express SS Fins

Although there are many great features to this fin, look at the armadillo hinge of grooved material on the top of the foot. This specialized feature absorbs energy from your kick and releases it again at the end of the kick cycle for a more efficient kick and reduced strain. Includes Spring Straps for easy on/off. Specs Style Open Heel Foot Pocket Open Heel Yes Power Technology Yes Spring Straps Yes Features Armadillo Power Our Armadillo Hinge at the blade base absorbs energy on the downstroke and releases it on the upstroke, giving you a power boost on every kick. Secure Spring StrapThe sturdy, padded spring strap keeps the fin snug on your foot, your fit great, and your heel protected from abrasion. Features finger loops for easy on/off, even while wearing thick gloves. Full-Pocket DesignHigh comfort, no booties required. Full-pocket fins give you increased perception of your kicks’ effect on the water. Foot pocket is made of soft material of varying elastic