Alpinestars Yamaha S-M3 Youth Motocross 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

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Alpinestars Yamaha S-M3 Youth Motocross Helmet The Alpinestars Yamaha S-M3 was specifically designed for young motocross riders and combines optimal protection, lightweight construction, and exceptional comfort. The lightweight thermoplastic outer shell ensures a youth-specific fit and high safety, while the integrated ventilation system with multiple air intakes and exhaust vents provides optimal air circulation. Sophisticated details such as the patented peak release system and the Emergency Release System (ERS) make the Yamaha S-M3 the ideal choice for young riders seeking protection, performance, and comfort on the track. Features: Lightweight outer shell made of impact-resistant thermoplastic Youth-specific, ergonomic fit Multi-density EPS inner shell for efficient absorption of impact energy Integrated ventilation system with multiple air inlets and outlets Specially shaped lower helmet edge to protect the collarbone Patented peak release system for safe detachment in the event of a crash ERS system (Emergency Release System) for quick and safe removal of the cheek pads Removable and washable comfort liner Prepared for hydration systems via special channels in the cheek pads Specifications: Material: Thermoplastic Safety standard: ECE 22.06 Closure: Double D-ring Contents: 1x Alpinestars Yamaha S-M3 Youth Motocross Helmet 1x Helmet bag

Alpinestars Yamaha S-M3 Youth Motocross Helmet

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Alpinestars Yamaha S-M3 Youth Motocross Helmet

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