Pixnor A Pair of Replacement Soft Velvet Earpads Ear Pads Ear Cushions for Sennheiser RS160 RS170 RS180 Headphones (Black) Color: black. Material: durable soft velvet and memory foam. Fully compatible with Sennheiser RS160 RS170 RS180 headphones. Ideal for replacing your old, dirty, lost or damaged original ear pads. High elasticity, durable and soft fabric design, for comfortable to wear on your ears. The ear pads can help to improve the bass performance of your headphone.