Men's Katari 3LWhen you want to carry water on your back and almost nothing else the Katari 3 has you covered. Low profile but high quality, you'll reach for this pack before your next quick pedal (or ski, or hike) and hardly notice it's there. An airmesh covered backpanel and rolled soft edge shoulders deliver excellent ventilation, comfort, and stability, while allowing for full range of motion. A dedicated external sleeve holds an included 2. 5 liter reservoir