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The Sierra helmet has been completely redesigned with an entirely new low profile, but will be instantly familiar to the hundreds of thousands of Sierra helmet owners around the world. Engineered for riding extremes, the Sierra’s new riveted Cordura® and leather covering not only looks good, but also withstands the toughest terrain on the trail.

The helmet is lightweight, highly ventilated, and very comfortable. The self-adjusting CinchFit™ Pro adjusts to the size and shape of the riders head for an unmatched level of comfort and stability. The Sierra’s new sleek profile and its proven technology and materials make it the finest all-terrain helmet available.  

The Sierra is the perfect headgear for those who want comfort and Troxel’s leadership in protection.

*Patent #11/846,569; 29/283,995

Shell Visor Certification Weight (oz)
In-molded Polycarbonate Soft-Tip™ SEI 15

AVAILABLE COLORS

Tan, Brown, Black

AVAILABLE SIZES INCHES HAT SIZE
S Up to 22 Up to 7
M 22 - 22 ¾ 7 - 7 ¼
L 22 ¾ 7 1/4+

For more information, see the Helmet Sizing Chart.

Owner's Manual

CinchFit™ Pro

The CinchFit™ Pro system naturally adjusts to the size and shape of the riders head for an unmatched level of comfort and stability.

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Flip Fold™

The Flip-Fold Fit System provides an adjustable inner liner that can be made thinner or thicker to accommodate various head shapes and hairstyles.

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