With the Stratos 36L, Osprey bring true innovation and quality to the ventilated pack world. The classic styling and clean design, alongside an impressively comfortable carry makes the Stratos 36L a firm favourite for walkers and hikers who are looking for a ventilated daypack with enough capacity for lightweight camping equipment and overnight gear, or plenty of extra layers and equipment for when the weather is changeable. Stratos 36L is the perfect pack for long days on winding trails or lightweight overnight trips in warm weather.