Size: S/MAdjustable torso lengthAirScape mesh covered accordion foam backpanelLidLock bike helmet attachmentExternal hydration accessFlap access with clip closureInternal key attachment clipInternal top load compression strapLED 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 accessTwin ice axe loopsTwin zippered hip belt pocketsFabric: 100D x 210D Bluesign Recycled Robic NylonMaximum Dimensions: L76 x W34 x D28cmWeight: 1.4kg (M/L)