Fits Like A Glove: Wicked Cushions never cuts corners or repurpose other ear pads, causing a weird, awkward fit. These pads are compatible exclusively with Sennheiser HD650, HD660S, HD660S2, HD600, HD6XX, HD58X, HD580, HD565, HD545, and HD535 headphones. They will not fit any other headphone models. Cooler for Longer with Uncompromised Comfort: Experience the perfect fusion of cooling gel and premium PU leather in our Sennheiser HD FreeZe Earpads, designed to keep your ears cool and comfortable during extended listening sessions. The luxurious feel and durability of traditional PU leather are maintained, offering an elevated and chill audio experience. Easy Installation: We created a step-by-step video guide and instruction manual to ensure a fast, tool-free installation. The package includes industrial-grade adhesive that will form a secure, long-lasting bond. Rugged Durability: Our cooling gel ear pads for Sennheiser headphones are made extra durable. We added stitching and heavy-duty glue on the inside seams of each earpad to prevent them from splitting, ensuring long-lasting performance. Enhanced Sound: Worn-out ear cushions can degrade audio quality. These cooling gel earpads comfortably conform to your ear, blocking out noise and dialing in the sound, so you can fully immerse yourself in your audio experience.