If you need a pack that can handle scraping through sandstone canyons, scrambling up snow-covered peaks, or hauling your gear for a day of trail work, the full-sized, 68-liter Kestrel can manage all that and more. For your longest trips in difficult environments or heavy-duty trailwork days, the Kestrel rucksack's close-to-body design and low-profile harness help you move efficiently through challenging environments.