OSPREY KESTREL 48 is an expedition trekking backpack with a volume of 48 liters, created for 4–7 day hikes, high mountain expeditions and backpacking with larger amounts of gear. Weight around 1.9 kg combines a robust construction with the ventilated AirScape™ back system, adjustable torso and integrated raincover. KESTREL 48 allows you to comfortably carry up to 20 kg load for multi-day hikes with full equipment.

Ventilated AirScape™ back system and adjustable torso

The AirScape™ backpanel made of molded foam with ventilation channels ensures air circulation even under prolonged loads. The adjustable torso (sliding yoke) allows precise adjustment of the back support length – one pack fits both shorter and taller carriers. The rigid frame and wide hipbelt distribute the load to the hips and make walking easier even with heavy loads.

Organization for multi-day treks

KESTREL 48 offers dual access to the main compartment (top + side zipper), a separate sleeping bag compartment, a large front pocket, two stretch side pockets and two zip pockets on the hipbelt. The integrated raincover is hidden in the bottom pocket. Stow-on-the-Go™ attachments for trekking poles, an ice axe loop and stretch compression straps ensure versatile use on different types of tours.

• Volume 48 L – expedition trekking backpack for 4–7 day hikes
• Weight approx. 1.9 kg – robust construction for demanding conditions
• Back system AirScape™ with adjustable torso
• Integrated raincover in the bottom pocket
• Separate sleeping bag compartment with divider
• Dual access to the main compartment – top + side zipper
• Stow-on-the-Go™ attachments for trekking poles and an ice axe attachment
• Compatible with hydration reservoir up to 3 L
• Material – recycled 420HD nylon with bluesign® certification, DWR without PFAS

Advantages and disadvantages of OSPREY KESTREL 48

✓ Advantages: large volume for multi-day expeditions, stability with heavy loads, integrated raincover, adjustable torso, dual access to the main compartment, All Mighty Guarantee lifetime warranty.

✗ Disadvantages: empty pack weight is higher than ultralight models, unnecessarily large for day trips, more rigid construction is harder to compress into luggage.

Comparison: KESTREL 48 vs KESTREL 38, KYTE 48, STRATOS 44

OSPREY KESTREL 38 (38 L) is a smaller version for 2–4 day hikes with lower weight. OSPREY KYTE 48 (48 L) is the female equivalent of the KESTREL 48 – anatomically shaped with narrower straps and a shorter torso. OSPREY STRATOS 44 (44 L) has a suspended AirSpeed™ back system with higher breathability – a better choice for summer treks and people who sweat heavily. KESTREL 48 is the most equipped versatile trekking backpack for most classic expeditions.

Who is the OSPREY KESTREL 48 intended for?

KESTREL 48 is a men’s expedition backpack (female equivalent KYTE 48) recommended for 4–7 day treks, high mountain expeditions, via ferratas with bivouac, winter hikes, backpacking and longer trips with larger amounts of gear.

Technical specifications