The Quadrant Helmet offers outstanding value with uncompromising quality. Designed to meet and exceed both DOT and SNELL standards, the Quadrant is a serious piece of equipment. Every detail has been refined and improved to provide the best fitting, best performing helmet in its class. From the plush interior to the molded roost guard and dual-density styrene liner, the Quadrant sets the standard for other offroad helmets to follow.

Size	Inch Around	Hat Size	cm
XX-Small	20-1/2	6-1/2	51-52
X-Small	20-3/4 - 21-1/4	6-5/8 - 6-3/4	53-54
Small	21-5/8 - 22	6-7/8 - 7	55-56
Medium	22-3/8 - 22-3/4	7-1/8 - 7-1/4	57-58
Large	23-1/4 - 23-5/8	7-3/8 - 7-1/2	59-60
X-Large	24 - 24-1/2	7-5/8 - 7-3/4	61-62
XX-Large	24-3/4 - 25-1/4	7-7/8 - 8-1/8	63-64