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A high-performance
Ultra-robust
Découvrez la fusion de la technologie de pointe et du design durable
Avec l’amorti CloudTec® conçu pour plus de réactivité et l’hyper-mousse Helion™ HF pour un retour d'énergie maximal
guaranteed reliability
Coros HR Monitor JAK tshirt A high-performanceThe optical heart rate sensors use light to measure blood flow in the capillaries located under the skin. The top of the wrist is a convenient place for a watch, but it is not the best for sensors. Wearing it on the arm provides the optical sensor with an optimal amount of blood flow to collect heart rate data with accuracy equivalent to that of a traditional chest strap. FEATURES More comfortable and easier to wear than a chest strap. Easy to adjust
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