#4 on this list
Z/2 Classic
Chaco
The Chaco Z/2 Classic is an enduring icon on commercial whitewater rivers and rocky canyon trips. River guides favor this sandal for one fundamental reason: total security. The continuous pull-through webbing strap runs through the midsole, allowing you to tighten the upper directly against the precise contours of your foot. The integrated toe loop locks your forefoot down hard, preventing your foot from sliding forward over the front edge on steep descents or in heavy river currents. The LUVSEAT polyurethane footbed provides exceptional arch support and stability, far outlasting EVA-based footbeds that compress and pack out over time. If you are hauling heavy gear down steep switchbacks or wading through waist-deep eddies, the Z/2 feels anchored. The ChacoGrip rubber outsole provides solid all-around traction across dry dirt, gravel bars, and damp stone, making it a true do-it-all summer footwear piece. Open-toe sandals carry inherent risks on technical river trails. With no front bumper, kicking a submerged boulder or root can ruin a trip. The dense polyurethane sole is also notably heavy, weighing down your pack if carried as a secondary shoe. When fine sand enters the strap channels inside the sole, adjusting the straps can require soaking and aggressive flossing to free up the grit. **Highlights** * Continuous pull-through webbing system creates a fully customized, secure fit * Toe loop anchors the forefoot firmly during river wades and steep descents * Firm, podiatrist-certified LUVSEAT footbed provides unparalleled arch support * ChacoGrip non-marking rubber compound balances durability and wet-rock grip * Bulletproof overall construction that withstands years of river guide abuse **Watch-outs** * Exposed toes leave feet vulnerable to impacts with hidden rocks * Heavier and stiffer than most water shoes * Sand and river grit can jam the strap channels in the sole
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#5 on this list
Clearwater CNX
Keen
The Keen Clearwater CNX takes the proven protective design of the brand's classic water sandals and strips away the excess bulk. Designed for paddlers, rafters, and wet hikers who want real toe armor without the clunky, heavy feel of a traditional utility sandal, the Clearwater delivers a low-profile, nimble ride that fits far more comfortably inside narrow kayak cockpits. Built on a low-drop platform with minimal midsole stack height, the Clearwater allows your foot to sit closer to the ground, significantly improving your balance and trail feel on uneven river terrain. The multi-directional flex grooves in the sole allow your foot to bend naturally, while the razor-siped outsole rubber opens up under flex to grip damp river stone. The upper utilizes lightweight polyester webbing lined with quick-drying mesh, anchored by a quick-cinch bungee lace system. The weight savings come with a few compromises. The toe bumper, while fully functional and effective, is thinner and less armored than the tank-like guard found on the Newport. The streamlined sole also provides less cushioning and puncture resistance against sharp river rocks, meaning your feet will feel fatigued earlier if you are navigating a prolonged, rocky portage trail carrying heavy expedition loads. **Highlights** * Low-profile 4mm drop midsole connects you closer to the ground for better agility * Outsole flex grooves with razor siping for dependable wet-surface friction * Streamlined rubber toe guard provides essential protection without added bulk * Quick-cinch bungee system provides rapid and reliable tensioning * Lightweight design fits comfortably into tight kayak hulls **Watch-outs** * Thinner sole transfers more sharp-rock pressure during heavy carries * Open side construction still permits small pebbles to enter beneath the foot * Lighter webbing offers less lateral stability than heavier heritage models
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Specs side by side
| Spec | Z/2 Classic | Clearwater CNX |
|---|---|---|
| Weight | 1 lb 14 oz per pair (men's 9) | 9.0 oz / 255 g (men's size 9) |
| Upper Material | Polyester jacquard webbing | Washable polyester webbing |
| Footbed | Podiatrist-certified LUVSEAT PU | — |
| Outsole | Non-marking ChacoGrip rubber (3.0mm lugs) | Non-marking rubber with razor siping |
| Toe Protection | Open toe (none) | — |
| Repairability | Resolable and restrappable via ReChaco | — |
| Heel-to-Toe Drop | — | 4 mm |
| Midsole | — | Proprietary low-profile PU |
| Closure | — | Quick-cinch bungee lace |
What our reviewers liked and didn't
Z/2 Classic
- Continuous pull-through webbing locks the foot down securely in heavy current
- Dense LUVSEAT polyurethane footbed provides unmatched arch support
- Open construction drains instantly and will not get sucked off in deep mud
- Resolable and restrappable through Chaco factory repair program
- Zero toe protection leaves feet vulnerable to submerged rock impacts
- Noticeably heavy and stiff compared to modern water shoes
- Fine sand and silt can jam the internal adjustment channels
Clearwater CNX
- Slim, low-profile sole slips effortlessly into narrow kayak cockpits
- Razor-siped outsole provides dependable grip on slick, wet bedrock
- Substantially lighter and more agile than traditional river sandals
- Wraparound rubber bumper shields toes from submerged obstacles
- Thin midsole transmits sharp point-pressure under heavy portage packs
- Open side slots let coarse sand and small gravel under the footbed
- Shallow tread lugs struggle to bite into greasy, steep river mud
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