Amazon.com: Replacement QC35 / QC35 ii earpads and QC35 Headband / QC35 ii Headband V3 pad Cushion Compatible with Bose QuietComfort 35 (QC35) and Bose QuietComfort 35 ii (QC35 ii) Headphones (AHG-QC35-COMBO) :
How to Replace Bose QuietComfort 35 QC35 QC35II Headphones Ear Pad Cushion - YouTube
Replacement Ear Cushions for Bose Quiet Comfort 35 (QC35) and QuietComfort 35 II (QC35 II) Headphones. Complete with QC35 Shaped Scrims with 'L and R' Lettering (QC35/QC35 II Ear Pads, Black) :
Geekria Sport Cooling Gel Replacement Ear Pads for Bose QC45, QC35, QC