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.Internal key attachment clipUnder lid zipped mesh pocketTwin zippered hip belt pocketsSternum strap with emergency whistleSingle ice axe loopSide compression strapsVertical centred zippered pocketAdjustable AirSpeed ventilated trampoline suspended mesh back panelAdjustable torso lengthInternal hydration sleeveIntegrated & detachable rain coverStow-on-the-Go trekking pole attachmentTop lid access26-litre volume