Luna Oso 2.0 Retro


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NOW Re-Introduced, the old favourite is back and is now called Oso 2.0 Retro.

The Luna Oso 2.0 Retro (Bear en Español) is a revelation in trail sandals with a tough, rugged sole and protective midsole, topped by non-slip MGT footbed. An all new aggressive tread pattern, Vibram Megagrip, makes the Oso 2.0 Retro a great option for off-road running and adverse weather conditions where maintaining your footing is essential. This sandal can handle most advanced trails and wet conditions, whether running or walking.

The Oso 2.0  Retro uses Performance Laces 2 and Tech Strap which have been so successful in testing.  If you need more strapped-down security for technical trails, mud/obstacle runs, MovNat adventures, wilderness walkabouts, Fuego y Agua Ultra-ing... this strapping system was developed with you in mind.

OSO 2.0 Retro - SPECS

Made in Vietnam designed and tested in the USA.
Weight: 9.2 oz (single sandal, men's size 9)
Thickness: 13MM base + 4.5MM lugs
Sole: Non-Marking Vibram® Megagrip Outsole + Vibram® Midsole
Footbed: MGT (Monkey Grip Technology)
Laces: Performance Laces 2.0 *Patented 
Vegan: Yes


Some people just can’t stop loving a great thing, or want to love something new that is old. What can we do for you? Easy! The RETRO line of LUNAs uses our tried-and-true PRE-WING lacing system known in the day as ATS (All-Terrain-Strapping) laces. You can have’em just like dad did in 2012!


Have you ever noticed how high-quality things work better, last longer, feel right? That’s why we’ve always been drawn to the finest SOLE materials the world can provide. Vibram® is world famous for being wizards in the field of soles and working with them, we’ve perfected OURS.


What’s so special about our lacing system? Infinite adjustability! Even our buckle can move freely on our patented one-continuous-loop lacing system. If you follow the webbing it goes from your toes all the way around to the top of your foot in one continuous fully adjustable loop. Foot freedom with security is real.

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 is for you.


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.

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