On Cloudrock Low Waterproof vs Altra Olympus 6

Editorial Team
Last modified at May 23, 2026
Choosing the right hiking shoe can make all the difference on the trail. In this comparison, we look at two popular options: the On Cloudrock Low Waterproof and the Altra Olympus 6. Both shoes offer unique features tailored to different hiking needs, from rugged terrains to long-distance comfort. We'll break down their performance across key categories to help you decide which one suits your adventures best.

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On Cloudrock Low WaterproofAltra Olympus 6
On Cloudrock Low Waterproof
Altra Olympus 6
Materials

100% recycled polyester upper with TPU mudguard and toe cap

Engineered mesh upper

Weight

15.2 oz

12.2 oz

Dimensions

Not specified

Not specified

Waterproof Membrane

Yes

No

Drop

0.31 in

0 in

Warranty

Limited warranty

1-year limited warranty

Lacing System

Round, slightly thick laces with standard eyelet layout and elastic lace keeper

Traditional laces with heel lock compatibility

Midsole Material

Helion superfoam and Speedboard plate

Plush compression-molded EVA foam

Ankle Padding

Padded, gusseted collar

Premium Achilles pillow

Arch Support

Moderate

Neutral

Chassis

Speedboard®

FootShape™ fit

Cloud Tech

CloudTec®

No

Cushioning Technology

CloudTec

High cushion, Stack Height: 1.3 in

Comfort

On Cloudrock Low Waterproof

4.1/ 5.0

Altra Olympus 6

3.8/ 5.0

Comfort is crucial for hiking shoes, as it directly impacts your endurance and enjoyment on long treks. A more comfortable shoe can reduce foot fatigue and make your hike more pleasant. The On Cloudrock Low Waterproof excels with its Helon super foam midsole and signature Cloud Tech cushioning, providing a cushioned and comfortable ride. However, some users find the toe box narrow, which might be a concern for longer hikes. The Altra Olympus 6, on the other hand, offers plush cushioning and a roomy fit, which many find comfortable for long hikes. Yet, some users with sensitive feet may experience discomfort. Overall, the Cloudrock Low Waterproof edges out slightly in comfort due to its consistent positive feedback on cushioning and support.

Durability

On Cloudrock Low Waterproof

4.6/ 5.0

Altra Olympus 6

4.2/ 5.0

Durability ensures that your hiking shoes can withstand the rigors of rugged terrains and frequent use. A more durable shoe means fewer replacements and better value over time. The On Cloudrock Low Waterproof is built to last with a Mission Grip outsole and extra thick TPU cap, making it highly durable against rugged terrain and frequent use. The Altra Olympus 6 also holds up well with its Vibram Megagrip outsole and tough materials, though some users report debris getting inside. The Cloudrock Low Waterproof's superior durability ratings and robust construction give it the edge in this category.

Traction

On Cloudrock Low Waterproof

4.3/ 5.0

Altra Olympus 6

4.4/ 5.0

Traction is essential for maintaining stability and preventing slips on varied and often slippery terrains. Better traction can make your hike safer and more confident. The On Cloudrock Low Waterproof features a Mission Grip outsole that provides reliable traction on varied surfaces, though it may not be the best choice for snowy conditions. The Altra Olympus 6, with its Vibram Megagrip outsole and grippy lug pattern, also offers reliable traction on muddy or uneven trails. Both shoes perform similarly in this category, making it a tie.

Fit

On Cloudrock Low Waterproof

3.6/ 5.0

Altra Olympus 6

3.4/ 5.0

A good fit is vital for preventing blisters and ensuring comfort during long hikes. A better-fitting shoe can adapt to various foot shapes and sizes, enhancing overall comfort. The On Cloudrock Low Waterproof offers a snug fit with a full sock liner and gusseted tongue, though some users report that the laces may need frequent readjustment and the toe box can feel tight. The Altra Olympus 6 provides a wide toe box and zero-drop design, offering a natural fit for many, but some may find the heel or length less secure. The Cloudrock Low Waterproof's slightly better fit ratings give it a slight advantage.

Breathability

On Cloudrock Low Waterproof

3.3/ 5.0

Altra Olympus 6

3.4/ 5.0

Breathability helps keep your feet cool and dry, reducing the risk of blisters and discomfort during long hikes. Better breathability can enhance overall comfort, especially in warmer conditions. The On Cloudrock Low Waterproof, made with recycled polyester materials, offers decent breathability but may feel warm in higher temperatures. The Altra Olympus 6, with its engineered mesh upper, allows good airflow to keep feet cool, though the wide vents may let in small debris. Both shoes perform similarly in breathability, resulting in a tie.

Protection

On Cloudrock Low Waterproof

4.8/ 5.0

Altra Olympus 6

3.6/ 5.0

Protection is crucial for shielding your feet from trail hazards like rocks, mud, and water. Better protection can prevent injuries and enhance your hiking experience. The On Cloudrock Low Waterproof provides excellent protection with a waterproof membrane, mud guard, and thick TPU cap, offering ultimate protection from the elements. The Altra Olympus 6 features a rock plate and toe bumper for shielding against trail hazards, though the exposed EVA midsole can be vulnerable to sharp rocks. The Cloudrock Low Waterproof's superior protection ratings and robust features give it a clear advantage.

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Conclusion & Final Verdict:

After comparing the On Cloudrock Low Waterproof and the Altra Olympus 6, it's clear that both shoes have their strengths. The On Cloudrock Low Waterproof stands out in comfort, durability, fit, and protection, making it a great choice for rugged terrains and long hikes where these factors are crucial. On the other hand, the Altra Olympus 6 offers better breathability and a lighter weight, which can be advantageous for those who prioritize airflow and reduced fatigue. Ultimately, if you need a shoe that excels in protection and durability, the On Cloudrock Low Waterproof is the way to go. However, if you prefer a lighter shoe with good breathability, the Altra Olympus 6 is a solid choice.

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