Our largest seatpack is fully waterproof and with a capacity of up to 17 litres is perfect for bike packing adventures.Helping you stay aero and efficient on your next bikepacking trip. The outstanding Vortex 2 seat pack holds the essentials while keeping them protected from an assault of the elements.Fully waterproof and in a lightweight design with a durable welded seam construction. Complete with the Hook & Loop mounting system that ensures reliable secure fastening to the saddle rails.The clever roll closure ensures the pack can be effectively used for lighter loads. While compression straps help achieve a streamlined mounting that won\'t impede your speed. Complete with reflective details so you can be spotted in low light.Key Features: Waterproof design,Roll closure,Hook & Loop mounting system,Elasticated cord system,Reflective details,Up to 17L capacity.