If you're ever injured or knocked unconscious when you're out jogging, bike riding or hiking, you're going to want rescuers to be able to access your emergency medical info easily. The VITAband holds that, plus contact numbers as well for quick reference.
You could easily wear a standard medical bracelet and carry a small RFID credit card fob in your sock, but this accomplishes both of that in one go. An annual subscription is $20, and the first year is free with your $40 payment for the wristband. If you want an additional wristband (which doesn't come with a subscription), that's just $20.
VITAband | via Gear Patrol
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