Cairn 3D Adventure Sandals


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The lovechild of Freedom and Support, Cairn 3D is our most advanced sandal to date. From our award-winning Cairn design, we’ve added a sculpted footbed that is secure, lightweight, and loaded for the long haul.

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 Custom Sole: Ultra Grippy, Comfortable, and Durable

  • All Cairn 3D Sandals are made with 100% vegan materials and construction.
  • NEW dirtbag-engineered plug-less toe post and aluminum hardware for next-level durability.
  • Ultra-grippy, exclusive REGOLITH Bedrock x Vibram® sole. Aggressive, angular lugs massively increase performance and durability, while shedding mud and debris.
  • 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 Oz per size 9 sandal

Customer Reviews

4.8 Based on 433 reviews
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Ann G.
United States

Well constructed

So far so good! Comfortable. I didn’t know if I’d like the feel of the strap between my toes but it’s quite fine. I leave them loose so they’re easy to slip on and off but it’s very easy to adjust to provide more support.

Chip M.

I can’t believe I waited this long to order them. I prefer the feeling to a “thong sandal” design, as opposed to a sandal like the Teva or Choco. Riding bikes everywhere, I’m amazed at how well it stays on your foot. I’ve been wearing insoles with added support for a few years now but I feel zero discomfort with the 3D Pro model that I ordered. Looking forward to wearing these all summer and working on my #bedrocksandaltan

Chip M. verified customer review of Cairn 3D Adventure Sandals


Happy convert! I'm in love with my Cairn 3D's!! These sandals are so light and comfortable, I can barely tell I'm wearing anything on my feet. I've been wearing Chaco sandals for decades and I still plan on it but the Cairns are a totally different sandal. The Cairn sandals have great support for hiking while still being lightweight. What do I like most? How easy they are to adjust and put on and love the minimal feel. I use them for hiking, river sports, and casual wear as well. Thanks, Bedrock, for making a fun, functioning, lightweight, outdoor sandal that this "gear geek" really enjoys. You BedROCK!


True satisfaction!!

I'm really pleased because sandals look beautiful and are quality made. For now im still waiting for better weather to take them out on proper "ride" but im sure we will have long and prosper relationship ;) Tnx Bedrock crew!!

United States

Best Sandals

Absolutely love them- fit perfectly- so comfortable - and cute. Best Sandals ever!!

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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.