The Airshokz bone-conducting headphones are BOGO for a limited time during Black Friday. They’ve already sold out of one offering of this over the holiday. They’ve now added an additional 2000 units for sale.
Airs are $120 for two
Titaniums are $80 for two
https://aftershokz.com/pages/goodvibes
I wore these for a marathon and they worked great. The sound may be a little less than perfect but they allow you to run and do physical activity while hearing your music and surroundings.