Gregory Citro 30 Liter Men's Day Pack - Keep your adventures organized and dry with moisture-wicking mesh suspension. The Citro 30 boasts a large main compartment and stretch exterior storage for all-day cargo capacity. VaporSpan ventilated suspension provides all-terrain, ventilated, moisture-wicking support. VaporSpan ventilated suspension with moisture-wicking mesh and perimeter alloy frame Perforated shoulder harness with sternum strap featuring integrated safety whistle 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 pocket and interior mesh zippered security pocket Front stretch and dual side mesh pockets for quick storage Trekking pole / tool attachment point with bungee closure system Custom comfort-grip molded zipper pulls