Polar CS 300 - Watches: Reviews

Polar CS 300 – Watches: Reviews

Polar CS 300 - Watches: Reviews

Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members! Download the app.

Track your cycling or cross-training performance 50 ways from Sunday with this calorie-counting, target-zoning, pace-crunching, heart-rate-monitoring, wireless-data-down-loading—I could go on—wrist computer. polarusa.com

sms