Large Optimist - 18L Backpack

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Recycled Jet Black
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Recycled Navy
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The older sibling to our best selling 10L mini backpack, the 18L Optimist is roomier, tougher, and ready for even more adventure! An infinitely practical backpack, with a sleek silhouette and exceptionally durable design, it's highly functional with minimal fuss. 

  • 18L capacity main compartment
  • Front facing zipper pocket for stashing quick-grab items
  • Roomy elastic side sleeves for water bottle or phone
  • YKK® zippers
  • Durable and lightweight outdoor materials


Lightweight, durable, and versatile, this power pack is ready for whatever your day brings. At just 12 ounces, it's comfortable and light enough for any day trip, and its stylish, water-resistant fabric transitions well as you go about your day, from hikes in the woods to a city-touring adventure. Carry your essentials with you in one, do-it-all pack, complete with two side stash sleeves and an outer zipper pocket.

Proudly made in Maine, USA.

Comes with our Lifetime Warranty