Replaces HGU Sonex plastic Ear Cups and the triangular custom Ear Cups. An ear seal and insulation kit in one. Improves impact safety, noise attenuation, eliminates pain. Light weight. 3/4" thick Combo pair weighs 2.5 oz., and 1-1/8" thick Combo pair weighs 3.2 oz. SoftSeal/HushKit® Combo for HGU style helmet, shown uninstalled (two pieces at left) and installed (single piece at right). Hook/loop fastens to inside of helmet. Replaces custom triangle leather ear seals, plastic ear cups and ear seals. Eliminates potential injury from rigid ear cups and reduces weight by as much as 50%.