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XOSS Armband Heart Rate Monitor Hand Strap Sensor Bluetooth ANT+ Wireless Health Fitness Smart Bicycle Sensor for GARMIN
![Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors](https://m.media-amazon.com/images/I/41O4L1ynMxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors
![Zone 5 while running, everything I have read is saying I shouldn't be able to maintain a zone 5. I'm 32yrs old, Male, and 176lbs. I guess my question is, is my Zone 5 while running, everything I have read is saying I shouldn't be able to maintain a zone 5. I'm 32yrs old, Male, and 176lbs. I guess my question is, is my](https://i.redd.it/bkzrx3088v9a1.jpg)