Cairn 3D PRO Adventure Sandals

712 Reviews

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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
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 712 Reviews
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    United States United States


    Great. limited use due to winter, good fit, feel.

    United States United States

    Chaco convert

    Way lighter than my previous Chacos and vibram sole is much better than the vibram options for chacos. Not many miles on them yet, but no issues with comfort or wear.

    Jeff T.
    United States United States

    Professional flip flops or flip flops for the Professional.

    I haven’t really taken them off except to sleep since I got them. Living in the Virgin Islands for over 30 years I have found myself doing everything from weed whacking to construction to weddings in flip flops. As a tree trimmer I actually found myself wearing my new sandals to do tree work climbing among mangrove in a marina.(rope & climbing harness, chainsaw and sandals? ) They were friggin’ awesome. I will definitely order again soon.

    Troy W.
    United States United States

    Second pair, wish it were Spring!

    My first pair of Bedrock Cairn Pro 3D were the only footwear I wore on our recent trip to Italy. I could not be more impressed with the instant comfort, grip on slippery wet cobblestone and rocky Tuscan countryside. So impressed I just bought my second pair-in a new fun color in preparation for spring! I love the easy on easy off strap system. Great comfort & great quality. I took advantage of the rare sale price-Thank you Bedrock!

    Troy Weathers verified customer review of Cairn 3D PRO Adventure Sandals
    United States United States

    Major upgrade from previous style! :)

    I had the previous iteration that was super lightweight, though I have always had a problem getting one heel strap to stay put all day long no matter how much I’ve fiddled with adjustments it. I’ve been looking for an upgrade to the new Bedrock style, though I have a high arch (loved my Chacos for years but they’re so heavy) and finally pulled the plug on the 3D pro version. I haven’t had a chance to wear them outside yet — it’s winter in Montana! — but they sure seem nice. When I initially put them on, the 3D mold by the balls of my feet was uncomfortable to the point of mildly contemplating shaving them down or exchanging them for the flat version, yet with adjustments here and there and time (maybe an hour later inside), I didn’t really notice it anymore. Looking forward to using them when it gets a bit warmer, like oh, 40 degrees at least ;)

    Anonymous verified customer review of Cairn 3D PRO Adventure 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.