Alpinestars SP-X BOA Drystar waterproof Motocycle Boots

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 SP-X BOA Drystar waterproof Motocycle BootsThe mid-length SP-X BOA Drystar boot is ideal for sporty touring and offers maximum comfort on long journeys. Thanks to the waterproof and breathable Drystar membrane, the foot remains dry and well ventilated in wet weather. A robust, grippy sole makes the boot ideal for use on and off the motorbike.Features:BOA Speed Lace System enables quick, precise and secure fastening via the side entry systemUpper material made from a combination of microfibre, knitted mesh and injected TPU with elastane offers optimum breathability, comfort and performanceDrystar lining provides waterproof and breathable protection in all weather conditionsRubber sole made from a special compound offers excellent grip and cushioning, with integrated support insert to increase sole rigiditySporty sole construction with flexible inner structure ensures optimum walking comfortLaterally adjustable Velcro system is integrated into the shin plate, with TPU 3D print for improved resistanceSpandex front with injected TPU for added comfort and protectionCalf made of breathable textile for more comfort3D mesh lining ensures high breathability, microsuede on the heel provides nonslip gripRemovable anatomical EVA footbed with elastane lining provides high comfort and supportSpecifications:Protective boot for motorcyclists (EN 13634:2017)The shift lever reinforcement area features a new design and TPU technologies for better protection of the upper footStrategically placed TPU sliders in the toe area and on the calf provide flexibility and protectionTPU heel counter protects against impacts and provides additional stabilityDualdensity ankle protectors between upper and lining for targeted protection in critical areasInternal shin reinforcement provides additional impact protection

color

black/dark grey

Size