Cloudhorizon 2 Waterproof Rock Alloy — Lightweight Comfort for Day Hikes
The Cloudhorizon 2 Waterproof Rock Alloy is On Running’s lightweight hiking shoe for men. It combines a fully waterproof upper with hiking-specific CloudTec Phase® cushioning. Whether you’re tackling mixed terrain or walking city streets between trail days, it keeps every step comfortable and dry.
What Makes the Cloudhorizon 2 Waterproof Rock Alloy Different
This model feels closer to a cushioned trail runner than a traditional hiking boot. A Helion™ superfoam midsole delivers soft, springy cushioning without feeling stiff underfoot. The waterproof membrane keeps feet dry through rain and wet trail sections, though it does make the shoe fit slightly snugger than the non-waterproof version. A TPU mudguard and reinforced toe cap protect against rocks and roots on rougher paths.
- Fully waterproof, 100% recycled polyester upper
- Helion™ superfoam midsole for soft, cushioned steps
- Hiking-specific CloudTec Phase® for a comfortable, stable ride
- Missiongrip™ outsole for grip across mixed terrain
- TPU mudguard and reinforced toe cap for trail protection
- 8mm heel-to-toe drop for an efficient hiking stride
- Weight of approximately 378g per shoe
- Breathable upper layers despite the waterproof membrane
Built for Day Hikes and Trail-to-Town Versatility
The Cloudhorizon 2 Waterproof Rock Alloy suits mellow-to-moderate day hikes better than steep, technical terrain. Its proprietary Missiongrip outsole handles varied trail surfaces reliably, though it trades some grip on wet rock compared to premium rubber compounds used by rival brands. The lightweight, cushioned build makes it easy to wear all day, whether you’re on the trail or walking around town. Packing light for travel is simple, since this shoe doubles easily as a daily walking shoe.
Who Should Wear the Cloudhorizon 2 Waterproof Rock Alloy
This shoe suits day hikers who want comfort and versatility over maximum technical grip. It fits travelers who want one waterproof shoe for both trails and city streets. It also suits anyone who prioritizes a soft, cushioned ride over a firm, connected trail feel. Sizing runs true to size, though expect a slightly snugger fit than the non-waterproof Cloudhorizon 2.
Related product: Want more structure and support? The Cloudrock Low Waterproof offers a sturdier, more protective build for rougher, more technical trails.
FEATURED SPECIFICATIONS TABLE
| Spec | Detail |
|---|---|
| Cushioning | CloudTec Phase® + Helion™ superfoam midsole |
| Upper | 100% recycled polyester, fully waterproof |
| Outsole | Missiongrip™ rubber |
| Protection | TPU mudguard, reinforced toe cap |
| Heel-to-toe drop | 8mm |
| Weight (per shoe) | ~378g |
| Fit | True to size; snugger than non-waterproof version |
| Best use | Day hikes, mixed terrain, trail-to-town wear |
FAQ / PEOPLE ALSO ASK
Is the Cloudhorizon 2 Waterproof actually waterproof?
Yes, its membrane keeps feet dry through rain and wet trail conditions.
Does the Cloudhorizon 2 Waterproof run true to size?
Yes, though the waterproof membrane makes it fit slightly snugger than the standard version.
Is the Cloudhorizon 2 Waterproof good for technical trails?
It suits mellow-to-moderate hikes better than steep, technical terrain.
How heavy is the Cloudhorizon 2 Waterproof?
It weighs approximately 378g per shoe for men’s sizing.

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