When day hikes stretch out into more committing endeavors, the Stratos 36 is the perfect size for your essentials and then some. Its top-loading design, topped by a fixed top lid, helps make packing a breeze. Plus, with its highly ventilated AirSpeed suspensions system and just enough volume to empower your bigger pursuits, it inspires long days and lightweight nights exploring our more rugged trails, rain or shine. Made with 100% recycled materials. With an AirSpeed back panel, the Stratos II 36 backpack enhances airflow by creating a ventilation channel between your back and your pack. The 36-litre pack is designed for day hikes or overnight trips when you're travelling light. It features attachments for walking poles and ice axes as well as a compartment to store your hydration bladder.Stretchy mesh side pockets can hold most sizes of water bottle as well as close-to-hand essentials like snacks and energy gels. The sternum strap and hip belt help secure the fit, with the latter including a secure zipped pocket for small valuables like keys and money.Fitted with a high-visibility raincover, this pack is the perfect adventure companion and comes with an adjustable torso length to help you find the most comfortable fit.AirSpeed trampoline suspended mesh back panelAdjustable torso lengthLightweight peripheral frameSternum strap with safety whistleZipped pockets on hipbeltTop lid accessZipped mesh pocket under lidZipped base sleeping bag compartment with internal bellowed dividerFront vertical zipped pocketSingle vertical zipped side access pointStretch mesh side pocketsSide compression strapsStow-on-the-Go trekking pole attachmentSingle ice axe loopIntegrated, detachable raincoverExternal hydration accessDimensions: 69cm (L) x 33cm (W) x 32cm (D)Weight: 1.5kgCapacity: 36LIntroducing recycled bluesign approved fabrics and PFC-free finish, Osprey disrupts pre-conceived technological boundaries, allowing the propagation of true outdoor innovation with the Stratos 36. If you are looking for a mid-sized backpack for hiking and the occasional camping night, the Startos 36 is made for this exact purpose. The Stratos features an adjustable AirSpeed backpanel suspension, this pack improves ventilation by nearly 50%, offering premium breathability as well as improved fit with a taller and wider frame. The Stratos is extremely durable and designed to help you easily store your supplies, while also being able to access them quickly and effectively.