Features: Laptop Compartment: Padded sleeve fits most 15-inch laptops. Main Compartment: Large, spacious compartment with internal organization. Front Compartment: Includes a zippered front pocket with internal organization for small items like pens, phones, and keys. Exterior: Features a bungee cord system for attaching extra gear or jackets. Shoulder Straps: FlexVent™ suspension system with padded shoulder straps and a breathable back panel for added comfort. Hydration Sleeve: Built-in hydration reservoir sleeve (reservoir sold separately). Reflective Details: For added visibility during low-light conditions. Dimensions: Volume: 28 liters Height: 18.5 inches (47 cm) Width: 12 inches (30.5 cm) Depth: 7.5 inches (19 cm) Laptop Sleeve: Fits most 15-inch laptops (10.6” x 11.8” / 27 cm x 30 cm)