Seral 4 - Past Season Colours:POSTAL BLUE Pockets accessible through outer shell

Pockets accessible through outer shell

This year-round performer features our All-Season-weight Merino jersey fabric with a nylon core to increase durability while still keeping 100% soft Merino wool next to skin

Improved shell fabric and lining with water repellent finish without intentionally added PFAS

Moisture-wicking fabrics

Seral 4 - Past Season Colours:POSTAL BLUE Pockets accessible through outer shellFor 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 wrap