16 vents with optimised engineered channelling

abrasion-resistant material prints

resulting in better drivetrain performance

With 6 different compartments

WEIGHT:410g (direct mount

Osprey Seral 7 Hydration Pack - Black - 2021 - 1.5L eBay 16 vents with optimised engineeredPrefer an off the back hydration solution instead of an over the shoulder pack? The Seral 7 lumbar pack was made for you. Featuring an included 1. 5 litre lumbar reservoir and magnetic bite valve that attaches to the hip belt for easy access. Some lumbar packs have a tendency to creep around while you ride, we promise this one won't. Compression straps pull the pack into your lower back and wrap around your hips for supreme stability, even over