Buyr.com | Heart Rate Monitors | Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women (NEW)
Amazon.com : Polar Vantage V Titan - Sports Watch with HRM H10 Chest Strap for Multisport and Triathlon Training with GPS, Heart Rate Monitor, Waterproof : Sports & Outdoors