New, New still in packagin The Osprey Katari Men's Hydration pack provides a lightweight option that rides close to your back for stability on any trail. With a Hydraulics LT reservoir included, this pack series offers a super comfortable and stable hydration carrying solution for bike rides and beyond. Hydraulics LT 1.5L Reservoir include Airscape Suspension allows dynamic body movement and distributes load across entire back pane Airscape back panel Mesh-covered extra deep ridged foam allows maximum ventilation while keeping the load close to the bod Biostretch Harness is a bike-specific winged shoulder strap shape provides comfort and stability with soft, breathable spacermesh contact surfaces and die-cut foam ventilatio External reservoir sleev Blinker light attachmen Magnetic sternum strap bite valve attachmen External zippered scratch-free heat-embossed slash pocket. Make an offer!;