Sennheiser HD525 -> HD650 for $106. :) : r/headphones
Gvoears HD600 Earpads for Sennheiser HD650/HD600/HD660S/HD545/HD525/HD535 Headphones, Ear Cushion Replacement Also fit for Massdrop X HD6XX/HD58X and HD580/HD565 Jubilee Headphones(Velour) - Yahoo Shopping
Ear cushion HD 535, HD 525 – Sennheiser
Sennheiser H-60300 - Ear Cushions for Sennheiser 060300 B&H