The Osprey Katari 3 has a job to do, it’s a pack for the bike, fast hike (or ski), when you want hydration in a stable carry that rides down the middle of your back for hands free sips. With an Airmesh-covered backpanel and rolled soft-edge shoulders this is engineered to deliver terrific ventilation for summer riding, and a full range of motion in the twisties. It’s a dedicated external sleeve with an included 2.5-liter reservoir and two stretch mesh side pockets for stashing snack bars, or your gloves when you step off the bike. A bottom blinky loop for end of the day riding, this is a precise piece for the rider who needs essential hydration with a minimum of weight in a pack built for riding.