Seral 4 Bag Size:One Size Just use the expansion zipper

Just use the expansion zipper and violá

Keep your tools close at hand

Polyester Fleece Lining for added warmth

grippy coating and oversized to accommodate gloved or larger hands

One large zippered main storage pocket

Seral 4 Bag Size:One Size Just use the expansion zipperRiders looking for a low profile lumbar pack with integrated hydration need look no further than the Seral 4. This slim waistpack features a 1. 5 liter bladder with our updated high strength magnetic coupling for improved hose management even in rough terrain. The Seral 4 has enough storage capacity for ride essentials, such as a spare tube, CO2 and multi tool and, of course, snacks. Constructed with high quality bluesign approved recycled high