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Archeon 25 Day Pack

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Many Osprey packs are available in multiple sizes to fit a range of torso lengths. To determine your torso measurement, please see diagram below. 



This measurement starts at the iliac crest, which is the top of your hipbone on the side of your body that acts like a shelf. From this point, measure to the C7 vertebra, the knobby bone at the base of your neck when you put your head down. Reference the torso length below to match the correct pack size.


Osprey Xenith, Xena, Aether, Ariel, Atmos and Aura packs offer interchangeable shoulder harnesses. Harness sizing usually corresponds to pack size. A properly fit harness should terminate 2" to 3" beneath the armpit when at the proper torso length. The webbing should not touch the side of the body below the padding.



Men's/Unisex Pack Sizing

Sleek, comfortable and built to last, the Osprey Archeon 25L men's backpack brings Osprey comfort into your everyday. With all the right features, the Archeon can be used as a hiking daypack, city backpack, or even a climbing bag due to its rugged construction and rope stay at the top.

The Archeon 25 features a roll-top closure and a clean silhouette that can just as easily accompany any outing. Quality crafted with durable recycled fabrics, this pack was created to crossover between trail and every day without forfeiting Osprey's signature quality and comfort. Featuring dual side pockets, a removable rain cover and reservoir sleeve.



With a focus on a comfortable carry in a range of volumes and profiles, the series covers needs from backpacking and travel to hiking and commuting.


Clean lines and beautiful fabrics and hardware combined with utilitarian function and durability create timeless packs.


Constructed with recycled materials without compromising Osprey’s commitment to quality construction, design and durability.


  • Roll-top with extended single zip front panel access
  • Front stretch-woven/fabric shove-it pocket
  • Hidden internal zip pocket




LOAD RANGE - 5 - 9 kg
O/S 1526 IN3 / 25 L 57H X 33W X 24D CM 1.347 KG
MAIN - 1880D Recycled Nylon Canvas
ACCENT - Not Applicable
BOTTOM - 1880D Recycled Nylon Canvas
 WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to



  • HDPE framesheet and dual-profiled aluminum alloy stays spread load across the entire backpanel


  • Mesh-covered bumped foam allows maximum ventilation while keeping the load close to body


  • Adjustable harness
  • Edgeless padded mesh offers a soft breathable contact surface and large load support
  • Adjustable sternum strap


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    Paddy Pallin is proud to stand behind the products we sell. Should you change your mind, you are welcome to return goods for a refund or exchange within 90 days from receipt of goods. Goods must be accompanied by proof of purchase, be in original purchase condition and include packaging. No returns on underpants, safety, face masks or climbing gear. Read our returns policy  here.

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    *Applies to ranged stock only. Not applicable to gift cards, services such as repairs, and Oxfam Trailwalker merchandise. Discount may not be used in conjunction with any other offer.

    Lifetime Club Membership

    Join the Paddy Pallin Club for $10.00 and receive a 10% discount on all future purchases.*


    Exclusive Club Member sales, promotions, and events!
    *Club Member discount not applicable to gift cards and services such as repairs. Discount may not be used in conjuction with any offer