Osprey Kestrel 48 Color:Black Trail run VO2 max estimates

Trail run VO2 max estimates the cardiovascular fitness level of trail runners by adjusting based on the varying trail and terrain conditions that can affect run performance

VariSlide System

•UPF 50+ UV Rated (Blocks 97

and dual-side zips make it easy to climb in and stay toasty when the wind picks up

but also some extremely useful advise and some points of genuine interest

Osprey Kestrel 48 Color:Black Trail run VO2 max estimatesIf 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 Kestrel can manage all that and more. For light weekends or big days out, the 48 liter Kestrel is a rucksack style pack made to haul heavy gear through challenging environments. KEY ATTRIBUTES: DURABILITY Built to withstand every outdoor environment, from sandstone canyons to alder filled alpine