*ONEAL SIERRA II Flat Adult Adventure Helmet

*ONEAL SIERRA II Flat Adult Adventure Helmet

Marsoni

M251S

$199.00

Get it in 3 business days with 1 day shipping. Friday, May 29

*ONEAL SIERRA II Flat Adult Adventure HelmetSIZING CHART Whether you ride on the pavement or the dirt or both the Sierra II has the features you need for your next two wheel adventure. Combining a full windscreen and a visor with a drop down tinted shield, the Sierra II helmet will get you anywhere you want to go. FEATURES: Shell is constructed with ABS Weight: 1590g (50g) Moisture wicking, removable washable air channeled comfort liner Vent holes for optimal ventilation Integrated face shield

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Your *ONEAL SIERRA II Flat Adult Adventure Helmet orders ship within 1-2 business days.

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Fast: 2-3 business days
Express: 1-2 business days

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Its solid & sturdy. It does exactly what it’s supposed to. You have the option to fill it up with water or sand , I choose water. It holds the umbrella in place. The wheels and handle make it really easy to move around, which is a huge plus. It fits perfectly and feels very well made. Great addition for my pool area!

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Reviewed in the United States on April 18, 2026

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Lexington, US

★★★★★ 5

Heavy-Duty Base with Convenient Mobility

This umbrella base does exactly what it’s supposed to—keeps the umbrella stable while still being easy to move around when needed. Once filled with water/sand, it feels solid and secure even on slightly windy days, which gives peace of mind. The built-in wheels are a standout feature. Moving the base across the patio is smooth and doesn’t require much effort. The handle placement is well thought out, making repositioning quick and hassle-free. Overall, it’s a great balance of stability and convenience. Highly recommend if you want a sturdy base without sacrificing mobility.

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Reviewed in the United States on March 31, 2026

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Chiranjeev Shah

Bozeman, US

★★★★★ 5

The base that fits!

Finally, easy to put together and the right fit just before summer. It was extra windy so I put extra weight.

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Reviewed in the United States on March 23, 2026

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colonel227