Customs fit design with thickened layer enhances passive noise isolation while maintaining original music through acoustics alignment Engineered exclusively for headphones, these replacement ear cushions deliver noise isolation through customs contoured design and premium protein leather / memory foam construction These ear cushions combine a sleekly design with reinforced stitching to protect earphone housings from wear while matching modern headphone aesthetics Upgrades worn out cushions, restoring clear sound and ergonomic fit Ideal for fitness enthusiasts and daily commuters seek sweat resistant ear pad with hygienic for hygienic long terms wear