Refresh your Bose A20 headset with this soft faux wool replacement headband cushion. The Contoured design helps keep your A20 aviation headset comfortably in place while allowing air to circulate to keep your head cool. The headband cushion replaces worn cushions and attaches with Velcro hook and loop fasteners for easy installation and removal. Hobbs Flyer replacement for OEM part# 327078-0010.