The Oso = the Bear our most rugged and built outdoor adventure platform to allow for the gnarliest trails on the most epic adventures.

If you are looking for something that can handle the harshest terrain and will keep your feet safe from the dangers below, the Oso if for you.

Mighty Light: 9.2 oz (single sandal, men's size 9).
Dig in: 13mm base + 4.5mm lugs.
Best in Class: Waterproof Non-Marking Vibram® Megagrip Outsole.
Get a grip: MGT (Monkey Grip Technology) footbed + Vibram® MegaGrip Outsole.
Ready to fly: Supple, easy adjust performance laces kicked up a notch by our super secure wing design.
Move Natural: A free foot is a healthy foot. Always zero drop, zero toe-box, zero problems.
Vegan Friendly: Animal free product.
Refined Simplicity: "Everything you need, nothing you don't."
Made in Vietnam (Learn More)

Most men tend to size down 1/2 to a full size with LUNAs.

Most women are true to size.

With LUNAs, you want a close fit and not a lot of space around your foot.

For more detailed guidance and support, please visit our size guide.

Size Guide(Learn More)

We want you to love your LUNA sandals as much as we do!

If you’re not completely satisfied with your sandals within 30 days from the delivery date, you can return them to us for a refund*, no questions asked!

If you’d like to exchange for a different model, return shipping is on us. After 30 days, the sandals can be returned and refunded if they are still brand new and can be resold as such.

Lightly worn sandals can be returned and refunded, but a restocking fee will be applied.

Heavily worn sandals can not be returned.

After 90 days, sandals can’t be returned or exchanged regardless of condition.

* Original shipping costs will not be refunded and $7.95 will be deducted from your refund for the return shipping cost.(Learn More)