Amazon had this as the first thing when I did a google search.
AMVR VR Facial Interface Soft Bracket & PU Leather Foam Face Cover Pad Replacement Comfort Set for Oculus Rift S (A) https://www.amazon.com/dp/B07Z3DW7T5/ref=cm_sw_r_cp_api_glt_fabc_4NQRAXXNKAKDN02QMYN1
AMVR, replaces all Rift S pads, including the halo.
https://www.amazon.com/AMVR-Interface-Bracket-Leather-Replacement/dp/B07Z3DW7T5