From day trips to long range treks, the Serac provides 1700 cubic inches of quick access and organization. Designed to be modular, the Serac 1700 can be used as a standalone pack with it's Xcurve frame or attached as an additional bag to any Sky or Solo packs. A large center zip gives full access to internals and easy integration of Camp and Swing Out Pockets while outer loops provide attachment points for tools and poles. 4.8 lbs. Made in the USA.