Cairn 3D PRO Adventure Sandals


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Sometimes you want a sticky situation. For wet and slippery missions, there’s Cairn 3D Pro, our ultimate adventure sandal outfitted with an extra-sticky Vibram® Megagrip outsole and our new molded footbed. 

Size Guide
Strap Color
Trail Blazer
Big Water Blue
Coyote Tan

Our sizing is unisex (e.g. size 9/10 is equivalent to size 9 for men, and size 10 for women.) Some Bedrockers find our sizes run slightly small, especially in our smallest sizes.

View/Download/Print our Cairn Sandals Sole Templates.

Follow these instructions to take care of your Bedrocks and maximize their life-span:

  • For footbed's sake, do not leave your sandals in extreme heat (e.g. hot car) or intense direct sun exposure for durations ( e.g. sunny porch). Our ultralight Go Far Vibram® footbeds can warp if left exposed in these environments.
  • To clean your Bedrocks, handwash with a brush, water, and your favorite eco-friendly soap! Let them dry in a shaded environment or briefly in the sun. Do not machine wash. 
  • To keep your Velcro® heel-strap long lasting, use side buckle adjustment for every-day in and out, and occasionally remove grit and debris from heel-strap by scrubbing with a wire brush.

    The Cairn 3D PRO Custom Sole: Ultra Grippy and Adventure Capable

    • All Cairn 3D Pro Sandals are made with 100% vegan materials and construction.
    • Ultra-grippy, exclusive REGOLITH Bedrock x Vibram® sole made with Megagrip. 
    • Our new Geo-patterned footbed features macro pentagonal-grooves on the sole, providing excellent grip in both dry and wet conditions, and more aeration power to keep your feet less sweaty.
    • At 16 mm base stack height under the forefoot, the new molded Cairn 3D Vibram® sole is a union of freedom and support. 
    • Zero Drop from toe to heel.

    Strap System: No-Slip Secure Fit.

    • Bedrock Sole Hugger design cradles feet with side-to-side support, keeping you stable in challenging conditions. Patent Pending.
    • Intelligent 3/4inch wide strap system with three independent adjustment zones for quick, secure fitting. Patent Pending.

    Premium Quality 

    • We spent years sourcing the best materials, so you can spend maximum time enjoying the outdoors. With exclusive Vibram® rubber soling, polyester and nylon webbing upper, metal and acetal plastic hardware, and US military-grade Velcro®, you’ll do just that.
    • Average weight 10.5 Oz per size 9 sandal

    Customer Reviews

    4.8 Based on 658 Reviews
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    United States United States

    Love Them!

    So far, they are super comfy, easy to adjust and very grippy! I can’t wait to test them even further.

    United States United States

    Not for me

    If footgear isn’t comfortable in the store (or my living room), then it’s not likely to be comfortable on the trail. I found the roughness of the sole contact area and the straps between the toes to be unacceptable, so I sent the product back. They appeared to be well constructed, the adjustments and binding strap were well designed, and I liked the Ultra Grip sole, however.

    Giovanni C.
    Italy Italy

    Caution these sandals cause severe addiction

    The best sandals for cycling with flats

    Giovanni C. verified customer review of Cairn 3D PRO Adventure Sandals

    Need to know sizing in comparison to UK and import duty

    I purchased a pair of Cairn 3D pro adventure. I could’ve find them for sale within the EU so purchases direct from Bedrock site. Firstly I bought these as a result of the reviews. The are comfortable are just what I want. I was concerned re sizing and not having to return them to the US. M size in the UK is 8.5 or 43 EU. I used the helpful sizing chart from the site , printed the template and ordered from this . I ordered size 10 male from the site. They arrived and fit perfectly. Be aware that there is an import duty to pay. The cost of the sandles was $120 and shipping was $25 to the UK. The delivery agent, Parcelforce, charged a fee on behalf of Customs of £35.20. You will need to know this to take into account the total cost. Thankfully I don’t need to return them and am happy with the purchase.

    United States United States

    Great sandals

    Light-weight, uncomplicated straps, good grip on both tarmac, sidewalks and gravel. Haven't tested elsewhere yet. I use these on my bicycle rides to work. Love them! PS. Donated 2 other pairs I had (Keen, Chaco) after getting these sandals.

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    Sizing Chart

    Find Your Unique Bedrock Sandals Size

    Our sizing is unisex (e.g. size 9/10 is equivalent to size 9 for men, and size 10 for women.) Some Bedrockers find our sizes run slightly small, especially in our smallest sizes. To find your Bedrock Size please print our size outlines or consult or sizing chart below.