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Home Motorcycle Helmets & Accessories Cross / Enduro Oneal Sierra II Flat Motocross Helmet

-20%

Oneal Sierra II Flat Motocross Helmet

from Oneal

Please note: Helmets displayed with black or mirrored visors, will always be delivered with a clear visor!

179.95 €

You save 20%

144.00 €

incl. VAT, plus Shipping

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Currently not deliverable

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How it works

Description

shell is constructed with ABS (acrylnitril-butadien-styrol-copolymer)
weight: 1590 g (± 50 g)
clear Visor plus secondary integrated sunvisor
Pinlock 30 fog resistant insert lens included
soft, sweat absorbing inner padding is removable and washable
height adjustable helmet shield
vent holes for optimal ventilation
Microlock buckle
durable multi-colored clear coated graphics
ECE 22.05

Additional product information

Features	Sun Visor
Buckle	Double-D

Ratings (36)

Customer ratings for Oneal Sierra II Flat Motocross Helmet

Number of ratings: 36
Average rating: 4.8

13 Deutsch 10 English 3 Français 1 Español 3 Português 3 Русский язык 3 日本の all

Read all ratings

excellent cost performance (01.11.2021)

Anonymous425648133

There is no hassle of putting on and taking off goggles, and I think it is ideal for getting started with off-road touring.

Good (21.10.2021)

Anonymous425648133

Add to the description: chin curtain.

Just perfect (19.10.2021)

Anonymous425648133

Read all ratings

How to take correct measurements »

Men

Men
Shirt size	Trousers size	German size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
	28	42				71	76
	30	44				76	77.5
S	32	46/48	81,5-84	106.5	84	81.5	78.5
M	34	48/50	86,5-89	112	86.5	86.5	78.5
L	36	52	91,5-96,5	122	89.5	91.5	80
XL	38	54	101,5-106,5	129.5	92.5	96.5	81
XXL	40	56	112-117	139.5	94	101.5	81

* Change in sizes as of 2015

The new size M is the old size S
Size S was revised
L, XL and XXL remain unchanged

Women

Women
Shirt size	Trousers size	German size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
XS	3/4	34				66	73.5
S	5/6	36	83.5	104	76	68.5	75
M	7/8	38	91.5	106.5	78.5	73.5	76
M	9/10	40	91.5	106.5	78.5	78.5	77.5
L	11/12	42	95	109	81.5	84	78.5

Kids

Kids
Shirt size	Trousers size	US size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
S	22	3/4	61	76	62	56	51
M	24	5/6	68.5	84	66	61	51
L	26	8/10	78.5	91.5	72.5	66	54.5
XL	27	12/14	89	100.5	77	68.5	61

Helmets

Helmet sizes
Head circumference in cm	52-54	54-56	57-58	59-60	60-62	63-64
Head circumference in inches	20 1/2" - 21 1/8"	21 1/4" - 22 1/8"	22 3/8" - 23 1/8"	23 1/4" - 23 3/4"	23 7/8" - 24 3/4"	24 7/8" - 25 3/4"
Ordering size	XS	S	M	L	XL	XXL

Helmet sizes for kids
Head circumference in cm	47,5-49	49-51	51-55,5
Head circumference in inches	18 5/8" - 19 5/8"	19 1/4" - 20 "	20 1/8 " - 21"
Ordering size	S	M	L

Shoes & Boots

Shoe and boot sizes
UK sizes	4	6	7	8	9	10	11	12	13
German sizes	37	38	39/40	41/42	43	44	45	46	47

Shoe and boot sizes for kids
UK sizes	12	13	1	2	3	4	5	6
German sizes	30	31	32	33	34	36	37	38

Gloves

Gloves
Ordering sizes	XS	S	M	L	XL	XXL
US sizes	7	8	8.5	9	10	11

	A. Body height: Take off your shoes and stand barefoot with your back against a wall to measure your body height to the top of your head. B. Chest circumference: Measure horizontally around the widest part of your chest. C. Waist circumference: Measure horizontally around your waist. D. Inside leg length: Inside leg measured from the crotch to the ground.
	A. Body height: Take off your shoes and stand barefoot with your back against a wall to measure your body height to the top of your head. B. Chest circumference: Measure horizontally around the widest part of your chest. C. Waist circumference: Measure horizontally around your waist. D. Inside leg length: Inside leg measured from the crotch to the ground.
	A. Measure the circumference of your head to get the correct helmet size. Use a measuring tape around the widest point of your head (approx. 1 cm above the ears).
	A. Place both feet on a sheet of paper. Draw a vertical line to mark the tip and heel end of your foot. B. Measure the lengths of both feet. C. Compare the length of the bigger foot with the size table to find your perfect shoe size.
	A. Measure the circumference of your hand at the widest point around your palm to find the correct glove size. Copy the value into the table

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