Replacement Headphone Headband Cover Case For Audio Technica ATH-M50X M30X M40X | eBay
Amazon.com: TRANSTEK ATH M50X Headband Cover - Also Compatible with ATH M50, M40X, M40, Cloud 2, Cloud Pro, Cloud Alpha, G PRO X, HS50, HS60, HS70 Headphones (Black) : Electronics
Defean Replacement Headband Cover For Audio Technica ATH M50X M50 M40X M40 M30X M20X Headphones
ATH-M50X Headband Pad Replacement [Build notes in the comments] : r/headphones
Ath m50x headband mod. - Thread Gallery | Headphone Reviews and Discussion - Head-Fi.org
Geekria Headband Cover Compatible with ATH M50x, M50xBT, M50xBT2, M50x