Weight: 0.63 kg (M/L)Maximum Dimensions (cm): 50 (l) x 27 (w) x 25 (d)AirScape mesh covered accordion foam backpanelExternal hydration accessInternal key attachment clipLED light attachment pointSeamless lumbar to hipbelt body wrapSternum strap with emergency whistleStow-on-the-Go trekking pole attachmentStretch front pocketStretch mesh side pockets with InsideOut compressionStretch pocket on harnessTop lid accessSingle ice axe loopTwin zippered hip belt pockets Providing everything you need for long periods outdoors, Osprey’s Talon 18 keeps your gear accessible, its weight distributed and your back ventilated at once. These latter two aspects are handled by the AirScape accordion foam backpanel and seamless lumbar-to-hipbelt body wrap. These increase the airflow, spread the burden and provide a generally more comfortable carrying experience. It incorporates everything from trekking pole and ice axe attachments to various quick-access external pockets to go with the large main compartment. It’s a truly versatile hiking daypack, one that you can depend on for years of service on your adventures.