Bose Warranty IS AWESOME. My QC35 malfunctioned and so did my Sleepbuds. They've exchanged it for the new 700 Series and I've exchanged the SleepBuds for the SoundSport Free. Freaking awesome! :
Bose replaced an out of warranty QC35 with QC45 with no fuss : r/headphones
USA-IL] [H] Bose QC35 II [W] PayPal : r/hardwareswap
Amazon.com: AHG Premium QC35 replacement ear pads cushions compatible with Bose QuietComfort 35 / Bose QC35 II noise cancelling headphones (Black). Premium Protein Leather, Extra Thick High-Density Foam & Durable : Electronics
Amazon.com: Bose QuietComfort 35 II Noise Cancelling Bluetooth Headphones— Wireless, Over Ear Headphones with Built in Microphone and Alexa Voice Control, Silver : Electronics