The Hydrobak Light carries a 1.5-litre Crux Reservoir with Quicklink disconnect, plus an extra 1-litre of cargo space for your basic essentials so you can carry on. Featuring a low-profile design, with an Air Support Light Back Panel and a ventilated harness for effective cooling and ultimate breathability. The streamlined silhouette features an Air Support Light Back Panel and a ventilated harness for cooling and breathability. Designed with lightweight and durable materials. This versatile pack includes a helmet carry, light loop and reflective detailing for added safety. Have peace of mind with a secure zippered pocket for keys, phone, or tools, and enjoy extended comfort with the adjustable sternum strap. Lighten up and stay hydrated, wherever adventure calls._Lightweight and Durable MaterialsAir Support Light Back Panel: Designed with body mapping technology for efficient ventilation and lightweight comfortVentilated Harness: Lightweight and breathableSecure Zippered Pocket: Perfect for keys, phone, or other essentialsHelmet Carry: Stow and secure helmetAdjustable Sternum Strap: Offers a range of adjustments for a custom fit and increased stabilityReflectivity: For low-light safetyLight Loop: Clip on a light to make the ride to and from the trailhead safeTube Trap Management: Keeps your tube secure and accessible when you need itDimensions: 35 cm x 15 cm x 23 cmCapacity: 2.5LFabric: 18% Woven Nylon, 64% Woven Polyester, 18% Knitted PolyesterWeight: 160g