Coros Apex 4 46mm Backpack ZoomX foam delivers lightweight

ZoomX foam delivers lightweight

Japanese ripstop front panels with DWR coating for lightweight weather protection

PTFE fibers help prevent overheating and blister formation

supportive feel and hightened foot awareness in rough and rocky terrain

This 2-in-1 version comes with a light compressive inner sprinter

Coros Apex 4 46mm Backpack ZoomX foam delivers lightweightThe 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