Hollis is a leader in technical diving equipment, offering advanced gear for divers. Founded by industry pioneer Bob Hollis, the brand specializes in durable, high-performance products like backplates, wings, harnesses, lighting systems, sidemounts, rebreathers, and more. With decades of expertise, Hollis scuba diving gear is trusted globally by technical and recreational divers. Shop Hollis dive fins, masks, and other diving accessories at GRITR Outdoors.