Get It »
The BSXInsight by BSX Athletics is revolutionizing how athletes train and improve. Using an optical sensor, the BSXInsight is worn on your calf with a compression sleeve to gather information on local metabolic activity and provide data on your lactate threshold. The BSXInsight can also be paired with various ANT+ devices to extend its fitness tracking to heart rate and cycling power. The BSXInsight can be purchased in 3 different packages; the running edition for $299.99, the cycling edition for $369.99, and the multisport edition for $419.99.