Made in high quality noise reduction foam. The noise reduction foam can absorb, reflect and break the sound from surroundings. Isolates your mic in a quiet recording space. By focusing your voice to an isolated microphone, the G.O.T. GEM is able to capture the complete spectrum of your voice and reduce much of the external environment, all the while giving you clear and concise vocals free of coloration. G.O.T. GEM wind screen can not only reduce the sound reflection during recording, but also reduce the wind and noises from outside.