Aluminum frame keeps the trailer light weighing only 14

make sure you’re seen with daytime visibility from more than 1 mile

Built-in gauge for perfect inflation

25g of carbohydrates per serving

3 structures available

OSPREY Hydraulics Lumbar 1.5 Res Red O/S can be discounted Aluminum frame keeps the trailerOspreys Hydraulics LT 1. 5L Lumbar Reservoir by Hydrapak is made for those who prefer an off the shoulder hydration solution. Designed to fit in most lumbar packs, but perfectly pairs as an extra or replacement reservoir for Osprey's Seral lumbar mountain biking pack. Twin welded chevron baffles stabilize the water and maintain a flat profile. Thoughtful design makes filling, cleaning, andmost importantlystaying hydrated on the trail easier than ever.