For me
- Android phone, I have an In Case Of Emergency app with all medical info about me, and contact info for people I'd want emergency services to notify. That one specific app can be accessed without having to unlock the phone
- Glock 19 and spare mag
- Leatherman Wave
- Wallet with ID, credit card, and a bit of money
- Fenix TK15 flashlight
- Protein Bar
- Waterproof notebook and pen
- Lighter
- Keys (car and house)