Experience the FreeZe: Upgrade your Sennheiser and Massdrop headphones with WC FreeZe PC38X cooling gel ear pads. Dual Layer cooling gel (interior layer, top layer) combined with a breathable hybrid of sports fabric and PU leather ensure lasting coolness and comfort. Perfect Compatibility: Our WC FreeZe PC38X ear pads are designed to be compatible with a wide range of Sennheiser and Massdrop headphones, including HD599, HD599SE, HD598, HD598SE, HD598CS, HD598SR, HD595, HD579, HD569, HD559, HD558, HD555, HD515, HD518, PC350, PXC350, PXE350, PC360, PC363D, PC373D, HD380, HD380-Pro, Game Zero, Game One, G4ME Zero, HME95, HMEC250, PC37X, and PC38X Headphones. Enhanced Comfort and Thickness: Our ear pads offer more thickness than the original ear pads, providing additional space inside the ear cup to avoid contact with internal components. Premium PU leather and highly breathable sports fabric ensure long-lasting, crack-free comfort, perfect for extended gaming marathons or listening sessions. Superior Sound Performance: Old, worn-out ear cushions can impact your headset's sound performance. With Dual Layer cooling gel and improved memory foam, these ear pads conform to your ear, blocking out noise and enhancing sound quality for an immersive audio experience. Easy Installation: A detailed, step-by-step video will guide you through removing your old ear pads and installing your brand new WC FreeZe PC38X Replacement Earpads, making the process smooth and hassle-free.