#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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#9 on this list
Ultralight Camp Shoes
Zpacks
The Zpacks Ultralight Camp Shoes are engineered specifically for gram-counting thru-hikers who view camp shoes as an unnecessary luxury unless they weigh virtually nothing. At an astounding 2.3 ounces for the pair, these spartan slip-ons take up less pack weight and volume than an extra pair of wool socks. They are designed to do exactly one job: keep your clean camp socks out of dirt, pine needles, and light moisture around your shelter. The construction consists of a simple die-cut closed-cell foam sole paired with an elasticized, minimalist upper cord assembly. There are no thick midsoles, heavy rubber treads, or buckles. Hikers love them because they can slide out of soaking-wet trail runners, put on a dry pair of sleeping socks, slip into the Zpacks shoes, and attend to camp chores like cooking or hanging a bear bag without re-entering wet footwear. The limitations are obvious and deliberate. There is practically no traction on wet rock or mud, zero arch support, and negligible protection if you accidentally kick a root or sharp rock. They are essentially minimalist campsite slippers, not footwear intended for hiking, river crossings, or rugged terrain. If you venture far from your shelter, you must step cautiously. **Highlights** - Featherweight construction at just 2.3 ounces per pair - Ultra-compact profile rolls up or slides into any pack pocket - Closed-cell foam sole shields dry socks from damp forest ground - Elastic cord system keeps foot seated without excess bulk - Perfect luxury item for strict ultralight gear philosophies **Watch-outs** - Extremely minimal traction on slick or inclined surfaces - Thin foam offers negligible protection against sharp rocks and sticks - Not durable enough for extensive walking beyond basic camp chores
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Specs side by side
| Spec | OOriginal | Ultralight Camp Shoes |
|---|---|---|
| Weight | 9.5 oz per pair | 2.3 oz (pair) |
| Price | Around $60 | — |
| Design | Thong-style recovery sandal | — |
| Material | Proprietary closed-cell OOfoam | — |
| Water Resistance | 100% waterproof, non-absorbent | — |
| Arch Profile | Aggressive biomechanical contour | — |
| Footwear Style | — | Ultralight slip-on |
| Sole Material | — | Closed-cell foam |
| Retention System | — | Elastic cord lacing |
| Packed Profile | — | Lays completely flat |
What our reviewers liked and didn't
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
Ultralight Camp Shoes
- Weighs only 2.3 ounces, making it acceptable for strict ultralight base weights
- Packs completely flat in exterior pack pockets without taking up volume
- Closed-cell foam does not absorb water and wipes dry instantly
- Protects clean camp socks from damp soil while trail runners air out
- Negligible traction on wet roots, slick mud, and sloping granite
- Zero puncture protection against sharp thorns, roots, or jagged gravel
- Lacks lateral stability, causing the foot to slip off the pad on uneven ground
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.