The Stratos 26 litre Backpack is engineered to be comfortable in the heat, even when fully loaded with weighty gear. Made with the Osprey anti-gravity system, it provides ventilated lumbar support and hip belt even when carrying heavy loads. Its Airspeed System creates a space for further ventilation between the pack and your back increasing comfort during high fiction activities. The Stratos 26 is made from tough weather-resistant nylon fibres and comes with a rain cover for added water protection.