Aonijie Leap(Speed) Series 5L sock mesh top and sides as

mesh top and sides as well and the sweat ready headband all feature better wicking

Polar H10 heart rate sensor is the go-to choice

Improved electrodes to make sure your heart rate is measured accurately and without interference

Outer pockets keep your quick must-haves within reach

or just need a pick-me-up after a long day

Aonijie Leap(Speed) Series 5L sock mesh top and sides asIntroducing the Aonijie Leap Series 5L, the ultimate hydration vest for elite runners. Designed for those who demand excellence on their runs. Its lightweight and ergonomic design ensures maximum comfort and performance, allowing you to focus solely on achieving your personal best. Dynamic Comfort: The fabric dries quickly and keeps your body breathing, with all potential chafing zones revisited and made smooth. Lightweight Design: This backpack