Blackburn Outpost Seat Pack With Drybag 2018 :

A great alternative to panniers or a backpack. Ideal for overnight trips, but also works well for commuting or long day trips.

• Extra large capacity seat pack

• Removable and welded, waterproof dry bag

• Adjusts easily to larger or smaller volume cargo

• Mounts quickly on almost any bike

• Also works with many standard dry bags and other stuff sacks

• 70D nylon, 4mm ripstop seatpack with water resistant treatment and backing

• 516 Grams