PURE MOUNTAIN PERFORMANCE
Shaped by years of relentless development and insight from the world’s best mountain athletes, APEX 4 delivers ultra-precise GPS, best in class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools to help you take on your biggest goals.

ALPINE-GRADE ENGINEERINGComplete Wheels
LIGHTWEIGHT TITANIUM. REINFORCED LUGS. SAPPHIRE GLASS.
Grade 5 Titanium Bezel, Reinforced Lugs add strength and create a lightweight, comfortable feel
51g (46mm) and 44g (42mm) with the nylon band Scratch-Resistant Sapphire Glass 3rd-Generation Memory-in-Pixel screen

RAZOR-SHARP ACCURACY, WITHOUT LIMITS
APEX 4 delivers industry-leading accuracy across GPS, pace, heart rate, and elevation tracking, along with the ultra-long battery life you have come to expect from COROS.

TOOLS FORTHE ASCENT
Accurate data, zero-lag mapping, and incredible battery set you up for success, no matter the task at-hand.

YOUR ADVENTURE JOURNAL