Abstract: A ring seal, which can be used in a gland of a hydraulic piston or pneumatic actuator, has two portions or rings molded together. A base portion or ring is composed of a first elastomeric material having a first hardness. A top surface of the base ring defines a slot. A crown ring or portion composed of a second elastomeric material having a second hardness is molded onto the top surface of the base ring. A bottom surface of the crown ring is molded to the base's top surface so that a rib is disposed in the slot of the base's top surface. The crown ring includes inside and outside flares extending respectively inward in and outward from the circumference of the ring seal at top corners. A recess is defined in the crown ring's top surface between the flares, and an annex is raised in the recess.