Gregory Citro 24 PackThe 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. 3D cradle padded hipbelt with large zippered pockets Internal hydration sleeve with SpeedClip hydration hanger compatible with Gregory's 3D Hydro reservoir (reservoir not included) Top zippered