DS and DH both got these recently and love them (they were $50 off but it looks like the price has gone back up). They sound really good and you can still hear your surroundings—DH ordered them after a relative who runs a lot and also uses them for his phone at work recommended them.
SHOKZ OpenRun Pro - Open-Ear Bluetooth Bone Conduction Sport Headphones - Sweat Resistant Wireless Earphones for Workouts and Running with Premium Deep Base - Built-in Mic, with Hair Band
https://a.co/d/arzNS4f