Osprey Katari 7 Liter Hydration Pack - At seven liters, the largest Katari bike pack comes with the next-gen 2.5-liter Hydraulics reservoir to keep you hydrated on your longer rides and enough storage to pack snacks, tools and an extra lightweight layer on your next all mountain or trail ride. Still minimal and streamlined, it offers a little more flexibility for gear without getting bulky. Features External reservoir sleeve with included Hydraulics LT 2.5 L reservoir Blinker light attachment Magnetic sternum strap bite valve attachment External zippered scratch-free heat-embossed slash pocket Front panel vertical zip compartment with tool organization Dual stretch mesh side pockets Low Profile - The lowest-volume bike packs are designed for carrying essential hydration and minimal gear. Ride Stability - A rolled, soft-edged harness contours the shoulders for comfortable, stable on-bike carry. Body-specific fit - Katari is designed to provide a body-specific fit to achieve maximum comfort and stability across body types. Packs designated as women's are best suited for shorter, narrower, curved body types compared to packs designated as men's.