NIKE Cheyenne Vapor 2 Running Backpack Dimensions: 20" H x 12.5" W x 5.5" D Adjustable harness for a comfortable, customized fit Packable rain cover in top zip pocket; Zip pocket at base for separate shoe or wet/dry storage Holds 70-ounce hydration reservoir Dual-zip main compartment with interior laptop sleeve and mesh pockets for specialized storage