Aonijie Leap(Speed) Series 5L Size:Small Designed by the ASICS Institute

Designed by the ASICS Institute of Sports Science in Japan

Fuel X Pro contains everything you need to stay energized

Nitrogen-infused DNA LOFT v3 cushioning is super plush which is stacked high in order to protect you from the rough terrain for a comfortable long distance trail run

The wide opening makes the bottle easy to refill and clean

Comfort in every detailDespite the focus on technological breakthroughs

Aonijie Leap(Speed) Series 5L Size:Small Designed by the ASICS InstituteIntroducing 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