By Heidi Wachter |
$222
This tracker is tops, recording heart rate, temperature, and calories burned. www.spreewearables.com
$295
Silver fibers woven into this shirt read your heart rate, breathing depth, and balance, as well as other key metrics, which are streamed to your smartphone. www.ralphlauren.com
$199
Designed to track pace, cadence, foot landing, and speed, these socks can help you get a leg up on your running game. www.sensoriafitness.com
$150Under Armour’s latest kicks are equipped with a built-in chip that tracks and stores running metrics and syncs the data with its MapMyRun app. www.underarmour.com
