Description When we designed the SP40 the goal was to design a pack to compete with the other harnesses manufacturers definition of ?High End. We used the same or better materials that most of the other harness manufacturers use for their ?High End packs. In comparison to our high end harnesses, these materials are quite low end. The NX-SP40 features a body wrap belt, pod ejection system, and grip pad on the back of the harness. Features Body Wrap Design Wraps the Body for Maximum Fit and Comfort. Hold 4 Pods Pod ejection Non-slip elastic ejectors designed to maximize pod ejection force. Non-slip rubber neoprene material ensures balanced pod positioning to provide concentric pressure for even flow pod ejection. Non-slip grip pad ensures minimal pack movement Fits up to a 48 inch waist