Gregory Citro 24 Backpack | Travel Backpack from Gregory Mountain Products | The Citro 24 has enough extra room to stash a spare layer, keep the small bits organized, and still have room for overflow with a durable mesh front stuff pocket. Stay comfortable and cool with the VaporSpan ventilated backpanel and perforated shoulder straps.VaporSpan ventilated suspension with moisture-wicking mesh and perimeter alloy frameActiveFlex Perforated shoulder harness with sternum strap featuring integrated safety whistle3D cradle padded hipbelt with large zippered pocketsInternal hydration sleeve with SpeedClip hydration hanger compatible with Gregory's 3D Hydro reservoir (reservoir not included)Top zippered pocket and interior mesh zippered security pocketFront stretch and dual side mesh pockets for quick storageTrekking pole / tool attachment point with bungee closure systemCustom comfort-grip molded zipper pulls• Weight: 2.0 lbs.Body Dimensions: 20.5" x 11.0" x 7.9"