TOTAL SUPPORT Size:0 A chest strap heart rate

A chest strap heart rate monitor (like HRM-Run™ or HRM-Tri™) unlocks advanced features such as lactate threshold and the HRV (heart rate variability) stress test

DON'T VOID YOUR WARRANTY

Not sure if your training is going to hack it

AS YOU WISH

(We’re gonna go for a very long run now and rethink our entire campaign for this colorway)

TOTAL SUPPORT Size:0 A chest strap heart rateMost rigid replacement insoles offer some motion control and stability but thats where the similarity ends: Spenco Total Support Insoles feature our patented 3 POD Modulation System: By positioning pods with varying degrees of hardness beneath key areas of the foot, Total Support Insoles change the ground forces reaching the foot during activity. This tunes the ride for increased performance and superior comfort while helping to reduce over pronationa