Amazon.com: SOULWIT Protein Leather Headband Cover for Audio Technica ATH M50, M50X, M50XWH, M50XBT, M50XBT2, M50S/LE Headphones, Replacement Headstrap Pad Repair Part (Black) : Electronics
ATH M50X Headband Replacement : r/headphones
Audio Technica ATH M50x - Ear Pads Replacement & Adding a Headband | DIY - YouTube