To be notified when out of stock sizes come back in stock, please select the size you'd like and sign up for notifications.
Move freely and carry everything you need for a day on the trail. Head out for an all-day trail run or a technical hike: the 5L backpack efficiently carries your full kit. Lightweight and comfortable, this bag makes sure you're fully prepared for several hours of active adventure. BENEFITS Dynamic Comfort: This pack is designed to let you move faster in more comfort, with a lightweight harness construction, open 3D mesh, and adjustable stretch TwinLink sternum straps. Quick Access: Front storage lets you quickly access apparel, lateral main storage compartment holds hydration, and stretch pockets keep on-the-go items within reach. Multi-Purpose: A pack that lets you do more than one thing: take along extra gear like flasks, water bladder, apparel, poles, or ice axes Specification: Brand: AONIJIE Item: Running Hydration Backpack Weight:approx.167g Capacity:5L(11pcs compartments) Mesh: Polyester Fabric 1:Nylon Fabric 2:85% nylon,15% spandex Fabric 3: 85% nylon,15% spandex Color:Blue,yellow,pink Size: One Size: Recommended Chest Circumference: 72-128cm
* Aonijie Quick Stow 500ml soft flasks best suitable for Windrunner 5L hydration pack. * Aonijie 1.5L, or 2L bladder is compatible with Windrunner 5L hydration pack.