Coros Apex 4 42mm on run Effective self-massage for back

Effective self-massage for back

Updated with improved airflow and a more sustainable sugarcane-based EVA footbed

5-minute fast charge — approx

GTX membrane: ensures waterproofing and breathability

Swiss-engineered for performance

Coros Apex 4 42mm on run Effective self-massage for backThe Coros Apex 4 is engineered for mountain athletes who demand precision, durability, and elite performance in the harshest environments. Built with an alpine grade titanium bezel and scratch resistant sapphire glass, its designed to help you train harder, climb higher, and race further all while delivering ultra accurate GPS, fast mapping, advanced recovery data, and best in class battery life. From steep trail ascents to long ski tours and high