Amazfit Helio Strap Vest Bungee elastic cord system for

Bungee elastic cord system for secure load management

Clean profile: carbohydrate-rich

and unexpected adventure

5 mm VIBRAM® Megagrip / Litebase lugs for superior grip on mud

MTB Grit & Flow metrics for mountain bike performance

Amazfit Helio Strap Vest Bungee elastic cord system forThe Amazfit Helio Strap is built for athletes who demand accuracy, consistency, and meaningful insightswithout subscriptions or ecosystem lock in. Worn day and night, it delivers continuous per second heart rate tracking, advanced recovery metrics, and energy monitoring through Amazfits BioCharge and BioTracker technologies. Fully compatible with the Amazfit ecosystemincluding smartwatches, the Helio Ring, and the Zepp Appthe Helio Strap ensures