Black Klymit Stash 18L Backpack

18-Liter Hiking Daypack: A must-have piece of ultralight backpacking gear, this versatile hiking backpack is ideal for daytime hikes, biking, and strolling around town Air Frame Technology: This innovative hiking bag features an integrated Air Frame that uses air pressure to provide padding and load transfer support, plus a convenient hand pump that allows you to make easy adjustments Built for the Trail: This lightweight hiking and running backpack features 18 liters of storage space and weighs just 13 ounces; Durable nylon fabric is treated to resist water and shed light snow