Osprey Kestrel LT 45 Backpack Ain't No Mountain High Enough The Kestrel LT 45 strips away unnecessary complexity to deliver rugged, lightweight reliability for men who demand durability without the bulk. Built off the trusted heritage of the original Kestrel, this streamlined version excels at multi-day backpacking and technical terrain. The Air Scape(TM) backpanel provides close-to-body comfort and breathable support, while five inches of torso adjustability ensures a dialed-in fit. Made with 100% recycled polyester and designed to last for decades of adventure. Features Air Scape(TM) backpanel with adjustable torso length for precise fit Top-loading main compartment with fixed lid and side-zip access Side-zip opening to main compartment for quick gear retrieval Front shove-it pocket for quick-grab essentials and gear Dual ice tool loops with bungee tie-offs for secure attachment Internal hydration sleeve with Hydra Clip for water reservoir compatibility Integrated raincover made with 100% recycled bluesign(R) approved fabric SPECIFICATIONSIntended Use Backpacking, Multi-Day Hiking Capacity45 LWeight (O/S)1. 83 kg / 4. 02 lbs Dimensions78h x 34w x 35d cm / 30. 7h x 13. 4w x 13. 8d in Torso Adjustability5 inches of adjustment Load Range15-35 lbs / 7-16 kg Materials100% recycled polyester, bluesign(R) approved, PFAS-free DWRWarranty Lifetime All Mighty Guarantee | Osprey | Kestrel Lt 45 Backpack Hydration Pack | Polyester