Review Your Options｜ Other Products ｜O'NEAL Sierra II Flat Helmet

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

Height adjustable helmet shield

Padded Chin Strap with Double-D safety lock

Meets DOT safety standard

Designed for Street, Enduro and Adventure Bikes

Replacement parts available

Side goggle traction pad keeps goggle strap securely in place

High air intake mouth vent with screen lets air in while keeping debris out

Replacement liners, cheek pads and visors available

SIERRA 2

CM
INCHES
CHEEK PAD SIZE
WEIGHT

XS
53-54
20 7/8 - 21 1/4
55mm
3.19lbs - 3.3lbs

S
55-56
21 5/8 - 22
50mm
3.19lbs - 3.3lbs

M
57-58
22 1/2 - 22 7/8
40mm
3.19lbs - 3.3lbs

L
59-60
23 1/4 - 23 5/8
45mm
3.19lbs - 3.3lbs

XL
61-62
24-24 3/8
35mm
3.19lbs - 3.3lbs

XXL
63-64
24 3/4 - 25 1/8
30mm
3.19lbs - 3.3lbs

 
Brand:O'NealSKU:0817-501COLOR:Black, WhiteSIZE:XS, Small, Medium, Large, XL, XXL