I'm a fan of either an headband/earband sort of thing, or the '180s'-style earmuffs that are worn below a normal cycling helmet. Not
under the helmet, but below the helmet line on the head/neck that wrap around the back of the neck...
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'75 Fuji S-10S bought new, 52k+ miles and still going!
'84 Univega Gran Tourismo
'84 Univega Viva Sport
'86 Miyata 710
'90 Schwinn Woodlands
Unknown brand MTB of questionable lineage aka 'Mutt Trail Bike'
Plus or minus a few others from time-to-time