Garmin Training Load Tracking vs Polar’s Training Load Pro - Differences, Benefits, Primary Aspects FitGearHunter.com Garmin Forerunner 245, 645, 745, 945, Fenix 6, 6S, 6X Polar Ignite, Grit X, Vantage V2, M, V And my apologies for sound quality, the lapel mic clearly was overly sensitive and I am swapping it for upcoming videos to some thing of better quality.