Garmin Forerunner 620 HRM-RunHRM chest strap included, Support for HRM chest strap, Date display, Timer, Bluetooth …, Men's, Women's, 2013(15)£224.17Compare prices
Garmin Forerunner 920XT HRM-RunHRM chest strap included, Support for HRM chest strap, Built-in, Date display, Temperature sensor, Timer …, Men's, Women's, 2014(3)£312.50Compare prices
Garmin Heart Rate Chest Strap Extender - 12.8" Extension Strap Fits Pro, Dual, Run, Swim, HRM-Tri. Total up to 56" Chest Strap Length£8.99Visit shop