The Camelbak Trophy 3:1 pack is three packs in one! This multiple use pack can be used as a 20L day pack, a 2.5L blaze orange hydration pack, or a 2.5L insulated hydration sleeve for larger packs. Perfect for scouting, working around camp, hiking, or going for a hunt, this pack is a great addition to your hunting gear. Features of the Camelbak Trophy 3:1 3 Pack Configurations: 20L Day Pack, 2.5L hydration pack or 2.5L insulated hydration sleeve for larger packs 2.5L CRUX™ Mil Spec Reservoir: Tested and approved by the military for easy hydration Removable Waist Belt: Offers additional load security and stability when desired Quiet Cloth Fabric: Move silently with the camo disguising your presence Camelbak Trophy 3:1 85oz, Real Tree Edge Hunting Pack 1714902000