Built for the Mountains. Ready for Anything.

When the trail gets steeper, the weather gets rougher, and the adventure gets bigger, the COROS APEX 4 rises to the occasion. Designed specifically for mountain athletes, ultrarunners, climbers, hikers, and endurance adventurers, the APEX 4 combines premium materials, industry-leading GPS accuracy, ultra-long battery life, and advanced navigation in one lightweight package.

With a Grade 5 titanium bezel, scratch-resistant sapphire glass, dual-frequency GPS, and global offline maps, this is the watch built to help you explore farther, train smarter, and confidently tackle your biggest goals.

WHY YOU'LL ACTUALLY LOVE IT

• Navigation you can trust – Dual-frequency GPS, enhanced vertical GPS algorithms, and a dual-range barometer provide outstanding accuracy on technical trails, deep forests, steep climbs, and alpine terrain.
• Premium offline mapping – Navigate with free global maps featuring topographic and landscape views, trail and street names, turn-by-turn directions, and points of interest.
• Epic battery life – Up to 65 hours of GPS tracking (46mm model) or 41 hours (42mm model), giving you the confidence to tackle ultramarathons, mountain races, and multi-day adventures.
• Premium without the weight – A Grade 5 titanium bezel, reinforced lugs, and sapphire crystal deliver incredible durability while remaining impressively lightweight.
• Advanced training insights – Monitor recovery, HRV, sleep, training load, performance trends, and race readiness to train with purpose.
• Built-in microphone & speaker – Record Voice Pins during your adventures, receive spoken alerts, and take hands-free calls directly from your wrist.
• Always readable display – The third-generation Memory-in-Pixel touchscreen stays crisp in bright sunlight, snowy summits, and shaded forests while maximizing battery life.
• Connected to your training – Sync seamlessly with Strava, TrainingPeaks, Apple Health, and other popular fitness platforms.

WHO IT'S FOR

• Trail runners chasing their next ultra.
• Mountain athletes, climbers, hikers, and backcountry explorers.
• Endurance athletes who demand premium navigation and battery life.
• Anyone who wants flagship performance in a lightweight, rugged watch.

HOW TO USE IT

1. Pair your APEX 4 with the COROS app and customize your activity profiles.
2. Download global maps and upload your routes before heading out.
3. Track every climb, descent, summit, and mile while monitoring your training and recovery.

Pro Tip: Planning an all-day adventure? Download your route ahead of time and let the APEX 4's turn-by-turn navigation keep you confidently on course.

IMPORTANT: This product takes up to 2 weeks to deliver.