Per SENNHEISER HD650/HD600/HD580/HD565 Ear Pad Foam Cover - Ricambio morbido
The Ear pads will fit Sennheiser models: HD650, HD600, HD660-S, HD6XX, HD580, HD580 Jubilee, HD565, HD565-II, HD545, HD545-II. The Earpads are manufactured in soft velour with a foam core.