Large Optimist – 18L Backpack

$66.00

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.
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.

Color

Clear

Free U.S. delivery · No order minimum
Processing: 1–3 business days
Estimated total delivery: 5–8 business days · 30-day returns

SKU: N26C-04-6E070E91602B Category: Travel Duffels

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A CLOSER LOOK

Product details

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.
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.
This product is final sale.

Product specifications

Brand	Flowfold
Colors	Jet Black EcoPak, Olive EcoPak, Brick Red EcoPak
Color	Jet Black EcoPak \| Olive EcoPak \| Brick Red EcoPak
Weight	0.329 lbs

Large Optimist - 18L Backpack — detail 1 — A closer look at the details

Large Optimist - 18L Backpack — detail 2 — Explore the product from another angle

Large Optimist - 18L Backpack — detail 3 — Details to help you choose

Choosing, using and caring for your product

Compare the bag's listed dimensions and capacity with your packing needs. Check your airline's current baggage rules separately; a product name is not a guarantee of airline acceptance.

Read the instructions supplied with your item before first use. Check the components and fitting requirements, and follow the care guidance for the listed materials. Keep the product instructions for future reference.

If a specification is not listed or you need help with a particular application, contact our team before ordering.

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Delivery & FAQs

Where do you deliver?

We deliver within the United States. Standard U.S. shipping is free, with no minimum order amount.

When should I expect my order?

Order processing takes 1–3 business days. Estimated total delivery is 5–8 business days from order placement, including processing and carrier transit. See our Shipping Policy for delivery details and how to contact us about an order.

Can I return an item?

You can request a return within 30 days after delivery. Contact us before returning an item so we can provide the correct instructions. Approved refunds are expected to reach the original payment account within 2–4 business days after approval and issuance. See the Return & Refund Policy for the full conditions.

How do I choose the right option?

Check the product photographs, dimensions, materials and available options. Choose your color, size or specification before adding the item to your cart. If you are unsure, ask our team before ordering.

How can I contact you?

Use the email address or telephone listed in our footer and on the Contact Us page. Include the product name or order number when you need help.