With a running-vest-inspired harness, flexible backpanel and lightweight design, it provides access to the essentials without skipping a beat. A certified bluesign® product.Key Features:Top cinch closure allows top compression500ml soft-flask compatible pockets with stabilization loopsLarge zippered phone pocket and small stash pocketDual-access stretch side pocketsDual SR-buckled side compression straps allows for external attachmentExternal hydration sleeveDual low-profile pole/axe attachmentsStretch-mesh front shove-it pocket can hold a helmetEmergency whistle on sternum strapLow-profile Stow-on-the-Go pole holderElastic web-keepers on all webbing straps Tempest Velocity 20Right side zippered hipbelt pocketLeft side stretch stash pocketFabric:Main Body Fabric - bluesign® approved 100% recycled 100Dx210D high-tenacity nylon, DWR treatment made without PFASBottom Fabric - bluesign® approved 100% recycled 420D nylon, DWR treatment made without PFASMain Liner Fabric - bluesign® approved