#7 on this list
evo Cairn
Bedrock
The Bedrock evo Cairn represents one of the most capable adventure sandals ever designed for backcountry foot travel. Weighing 13.6 ounces per pair, the Cairn strips away all excess bulk while retaining a heavy-duty Vibram outsole and an ultra-secure, patented strap system. It is favored by long-distance hikers and river travelers who need a camp shoe capable of handling technical trail miles when primary boots fail. The standout feature of the Cairn is its lock-down fit. Using a three-point adjustment setup anchored by a climbing-spec metal ladder-lock hook, the sandal keeps your heel firmly centered, virtually eliminating forward slide on steep descents. The Vibram sole provides dependable traction over greasy mud and slick granite, allowing backpackers to wear them confidently during challenging stream fords without switching back to boots afterward. While packable and exceptionally durable, the Cairn does demand trade-offs. The between-the-toe thong layout means you cannot slip them over regular wool socks on cold evenings unless you carry specialized split-toe socks. Furthermore, the firm, zero-drop platform offers minimal plush cushioning, which may not appeal to hikers seeking soft, pillowy relief at the end of a 20-mile day. **Highlights** - Vibram outsole delivers exceptional traction on wet and dry terrain - Patented three-point strap system provides rock-solid foot stability - Low-profile design packs remarkably flat against pack gear - Completely non-absorbent materials dry in minutes - Proven durability under long-distance thru-hiking conditions **Watch-outs** - Thong post prevents wearing standard socks in cool weather - Zero-drop footbed is stiff with little soft cushioning - Premium price compared to basic foam sandals
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#8 on this list
OOriginal
OOFOS
The OOFOS OOriginal flip-flop is engineered entirely around active recovery. At 9.5 ounces per pair, it uses the brand's proprietary OOfoam technology, a closed-cell material designed to absorb 37 percent more impact than traditional EVA foam footbeds. For backpackers dealing with plantar fasciitis, sore heels, or achy joints after pounding out technical miles, slipping into the OOriginal offers immediate, cloud-like relief. The footbed geometry incorporates a distinct, aggressive arch support cradle that takes pressure off the lower legs and ankles. Because the OOfoam is entirely waterproof and non-porous, these sandals do not absorb river water, sweat, or moisture, making them simple to hose off at camp. Reviewers frequently praise the marshmallow-soft underfoot sensation for post-hike lounging around the campfire or walking on smooth grass and dirt. However, that extreme softness comes with real structural compromises outdoors. The thick, squishy sole provides virtually zero lateral stability, making it prone to rolling ankles if you attempt to traverse uneven scree, steep slopes, or root-tangled paths. Additionally, the soft foam outsole can be abraded or punctured by sharp rock edges, and the classic thong post excludes standard hiking socks when temperatures plunge. **Highlights** - Proprietary OOfoam absorbs substantial ground impact - Pronounced arch cradle relieves stress on feet, knees, and back - Completely waterproof closed-cell foam does not retain moisture - Soft underfoot feel ideal for sore, swollen feet - Relatively lightweight at 9.5 ounces per pair **Watch-outs** - Poor lateral stability on uneven, rocky campsite terrain - Soft foam outsole wears down rapidly on abrasive granite - Thong design prevents wearing conventional camp socks
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Specs side by side
| Spec | evo Cairn | OOriginal |
|---|---|---|
| Weight | 13.6 oz per pair (women's 8 / men's 7) | 9.5 oz per pair |
| Footwear Style | Minimalist adventure sandal | — |
| Outsole Material | Vibram rubber compound | — |
| Heel-to-Toe Drop | 0 mm (zero-drop platform) | — |
| Closure System | Patented three-point webbing adjustment | — |
| Primary Focus | Camp relaxation and technical river travel | — |
| Price | — | Around $60 |
| Design | — | Thong-style recovery sandal |
| Material | — | Proprietary closed-cell OOfoam |
| Water Resistance | — | 100% waterproof, non-absorbent |
| Arch Profile | — | Aggressive biomechanical contour |
What our reviewers liked and didn't
evo Cairn
- Vibram outsole provides unmatched traction on slick riverbeds and trails
- Three-point strap system completely locks the foot to prevent slipping
- Low-profile silhouette packs flat against the inside or outside of a pack
- Non-absorbent synthetic materials dry almost instantly in the sun
- Exceptional durability with factory resoling options available
- Thong post prevents wearing standard wool socks in cold weather
- Firm, zero-drop footbed offers minimal plush recovery cushioning
- Substantially higher price point than conventional foam camp slides
OOriginal
- Unmatched underfoot impact absorption eases heel and arch strain
- Pronounced arch contouring actively aids foot and plantar fascia recovery
- Non-porous closed-cell foam will not absorb water or trail mud
- Single-piece molded construction eliminates blown strap anchor points
- Virtually zero lateral stability on rocky, rooted, or off-camber ground
- Thong post design prevents wearing standard warm camp socks
- Soft foam outsole degrades quickly on abrasive granite or sharp gravel
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