Ear Cushions: Ensure the performance and comfort level of your A20 aviation headset. Use as a replacement for lost or damaged ear cushions. Cushions are identical to original set included with new A20 headset and are made of supple, breathable protein leather. Headband Cushion: This soft wool replacement cushion kit helps keep your A20® aviation headset comfortably in place. Contoured headband cushion replaces worn cushions and attaches with Velcro for easy installation and removal. Mic Windscreen: This foam replacement microphone screen reduces ambient noise and helps keep wind pressure from activating the microphone. Screen slides easily over headset microphones and is secured with supplied rubber grommet.