Oneal Sierra Matrix Enduro Helmet

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

color

black/grey

blue

olive

red

Size

Clear

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Oneal Sierra Matrix Enduro Helmet The O’Neal SIERRA is an adventure enduro motorcycle helmet with a durable ABS outer shell, comfortable interior equipment and practical features for touring, road and off-road use. According to the source text, the helmet was included among the test winners in a comparison test by the motorcycle magazine “MOTORRAD” and received a “purchase recommendation” in the adventure enduro helmet category. Multiple vents and internal ventilation channels support optimised airflow while riding. The padded comfort liner is removable, washable and sweat-absorbing. A clear visor, integrated sun visor, included Pinlock 30 anti-fog insert and Bluetooth preparation complete the helmet’s equipment. Features: Adventure enduro motorcycle helmet for road, touring and off-road use “Purchase recommendation” in a “MOTORRAD” magazine comparison test according to the source text High-quality ABS outer shell according to manufacturer information Multiple vents for optimised airflow Internal ventilation channels for improved air circulation Microlock closure for easy handling Padded comfort liner Removable, washable and sweat-absorbing liner Bluetooth prepared with recesses for optional speakers in the ear area Clear visor for good visibility Secondary integrated sun visor for changing light conditions Pinlock 30 anti-fog insert included Specifications: ECE 22.06 Contents: 1x Oneal Sierra Matrix Enduro Helmet 1x Pinlock 30 anti-fog insert, not mounted Note: Helmets always come with a clear visor!!

color

Size

L (59/60)

M (57/58)

S (55/56)

XL (61/62)

XXL (63/64)

XXXL (65/66)