DESIGNED FOR ULTIMATE COMFORT CoreKnit is designed to be lightweight and flexible for all-day comfort. PERFORMANCE KNIT CoreKnit is made with our performance-ready knit, so that you can take on any workout or activity. SWITCH UP YOUR STYLE CoreKnit is available in a range of colors, so you can match your band to your personal stylemade easy with Fast Link technology. FULLY ADJUSTABLE With a completely adjustable band, you can easily tighten or loosen CoreKnit to find your perfect fit. COMPATIBILITY WITH LIFE Though CoreKnit is compatible with Life, ECG readings* can not be taken with the CoreKnit band.
Not compatible with 4.0