Light and versatile. The Classic™ Light is exactly what your everyday ride has been missing. Lightweight yet highly durable, adjustable fit, and fully loaded with external features.Adaptable and comfortable for any length adventure. Key Features: Lightweight and durable materials ,Air support™ back panel with body mapping technology ,Ventilated harness ,Integrated tool organisation ,Secure zippered pocket , Bungee overflow ,Adjustable sternum strap,Tube trap, Light loop , CRUX™ reservoir and Quicklink™ system,. Specification: Weight: 190g, Total Capacity: 4L, Gear Capacity Only: 2L, Reservoir Only: 2L.