Coros Apex 4 42mm Sustainable Footwear tongue and collar lining are

tongue and collar lining are all made from recycled materials

the upper/lining/sockliner use 90% recycled textiles

Widening of the heel by 9mm

Bottle: BPA-free plastic

and can record and sync activity data without a watch

Coros Apex 4 42mm Sustainable Footwear tongue and collar lining areThe 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