Osprey Seral 4 Mountain Bike Hydration Waist Pack Backcountry Pocket expands due to gusseted

Pocket expands due to gusseted design

Compatible with 6

With their sticky rubber Vibram sole

namely in the vertical compliance department

Osprey Seral 4 Mountain Bike Hydration Waist Pack Backcountry Pocket expands due to gussetedFor riders looking for a low profile lumbar pack with integrated hydration, 4 liter Seral is the perfect trail companion. This slim waist pack features the next gen 1. 5 liter Hydraulics reservoir with high strength magnetic coupling for improved hose management even in rough terrain and enough storage capacity for ride essentials, such as a spare tube, CO2 and multi tool and, of course, snacks. *Features * AirScape backpanel with contouring lumbar