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Osprey Eja Pro womens through hiking backpack
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Osprey Eja Pro 55 Litre Womens Ultralight Backpack

Osprey

$413.95 $459.95

Tax included.

For committing thru-hikes where every gram counts, the 55-liter Eja Pro provides the most comfortable carry in its weight class. Shedding nearly a full pound off from the Eja 58, the Pro features a more fine-tuned adjustment system for its ventilated AirSpeedâ„¢ suspension system with anatomical women's fit. Comfort, without weighing you down.

KEY ATTRIBUTES

AIRSPEEDâ„¢ SUSPENSION

A tensioned mesh backpanel keeps the weight off your back, enabling highly ventilated carrying comfort.

VOLUME FLEXIBILITY

Compression straps and removable lid allow for functional capacity adjustment.

ULTRALIGHT DESIGN

Lightweight fabrics deliver durable performance.

REMOVABLE LID

Sheds 74 g / 2.6 oz. when the top lid is removed. An integrated FlapJacket secures the main compartment opening, providing weather protection and load stability when the lid isn't used.

 

FEATURES

  • Removable, floating single compartment top lid with key clip
  • Four webbing lash points on top lid
  • FlapJacket secures main compartment access and provides weather protection when lid isn’t used. Removing top lid reduces carry capacity by 9 L and weight by 80 g
  • Internal hydration sleeve with center back hose port and Osprey Hydraclip for easier reservoir hanging
  • Internal compression strap keeps loads stable
  • Large front fabric compression pocket with stretch side panels accommodates overloads
  • Multiple front panel lash points for securing extra gear
  • Lower side compression straps designed to capture sleeping pad on front panel
  • Deep, dual access stretch mesh side pockets
  • Dual ice axe loops with handle capture by upper compression straps

ULTRALIGHT AIRSPEEDâ„¢ SUSPENSION

  • Lightweight injection-molded ladder provides 4" of torso adjustability, Two-sizes-per-gender design ensures perfect fit and allows for quick, easy adjustment, 3.5 mm powder-coated LightWire frame balances support and dynamic flex

BACKPANEL

  • 3D-tensioned breathable mesh backpanel ensures supportive fit, Silicone print on lumbar fabric enhances hipbelt grip

EXOFORM HARNESS

  • Shoulder straps combine reverse spacer mesh, die cut EVA foam and a unique structured 3D mesh to deliver excellent support and ventilation, Ventilated mesh yoke evenly distributes load for comfort while maintaining breathability, 15 mm adjustable slide sternum strap with rescue whistle

EXOFORM HIPBELT

  • EVA foam padded hipbelt offers dynamic stretch for a secure, dynamic fit, Zippered pocket provides secure storage

Specifications

Load Rangeâ„¢

5-18 kgs

Volumes and Weights

US and International weight and volume specifications

Size liter kg.
WXS/S 52 .87
WM/L 55 .93

Dimensions

Size Height Width Depth
WXS/S (cm) 71cm 37cm 33cm
WM/L (cm) 76cm 37cm 33cm
Key Fabrics used:
  • FABRIC
    MAIN
    NanoFlyâ„¢: 100D Nylon x 200D UHMWPE ripstop, DWR treatments made without PFAS
    BOTTOM
    NanoFlyâ„¢: 100D Nylon x 200D UHMWPE ripstop, DWR treatments made without PFAS

Sizing and Fitting of your Osprey Pack

Fit is the key to pack performance. Take the time to get it right. Most Osprey packs are available in multiple sizes to fit a range of torso lengths. To find your torso length, have a friend measure your back along the spine (as shown in the picture below) from the level of your iliac crest (the top of your hipbones) to your C7 (the knobby bone at the base of your neck).


Use the table below to determine your pack size.


Eja 55 Pro Litre Backpack WXS/S WM/L
Back Length 14-19"/35.5-48cm 18-21"/46-53cm