ASA Comfort Ear Seals are designed for pilot comfort. Extend the wear time of your headset with the addition of these seals that help ease hot spots and pressure. The heat-sensitive foam core conforms to create a comfortable, head-forming seal that minimizes outside noise. A durable covering made of eco-friendly microfiber vegan leather is comfortable in all climates.Fits the ASA AirClassics Headset and any other headset with similar ear cup design. Install by removing the old seal and placing over the headset’s oval flange. Compatible with ASA Cloth Ear Seal Covers.