Features Patent-pending ergoACTIV suspension with OpenAir backpanel Top-load access with fixed top pocket Soft, breathable 3D mesh on hipbelt and shoulder straps Hipbelt stash pocket, side stretch pockets and front compression stretch pocket Trekking pole/ice axe loops Description Product Description Love the simplicity of a top loader? Want big freedom of movement? With the Black Diamond Boost and its ergoACTIV suspension you can carry all the essentials for a spectacular day of on/off trail action, knowing you're covered if you spot that spectacular valley and wanna push a little farther to check it out. Also available as women's-specific Flare