Polar S3 Stride Sensor Set 2.4 GHz
Provides you with information on how to improve your running technique in competitive situations, shorter or faster strides can have a dramatic impact on your performanceWith interference-free speed/pace and distance data youre able to evaluate and analyze your individual performance accuratelyThe sensor can be mounted securely and unobtrusively to training shoe laces or placed inside the specially designed mid-sole cavity in adiFusion MC and adiStar Fusion running shoes