SPECS: Volume: 24L Storage: Large main compartment with interior pocket for laptop or hydration bladder Expandable quick-stow pouch Zippered essentials pocket with key hook Stowable waist straps and trekking pole loops DESIGN & DETAILS: Sleek, water-resistant design Durable abrasion-resistant bottom for ground protection Comfortable back and shoulder padding with venting for breathability Adjustable straps are equipped with reflective details for visibility Chest straps with integrated whistle Top is designed with 210D ripstop nylon Base is designed with 400D ripstop nylon