Manufacturer	2XS(cm)	XS(cm)	SM(cm)	MS(cm)	MD(cm)	ML(cm)	LG(cm)	XL(cm)	2XL(cm)	3XL(cm)	4XL(cm)	5XL(cm)
Shoei	51-52	53-54	55-56	xx-xx	57-58	xx-xx	59-60	61-62	63-64	65-66	xx-xx	xx-xx
AGV Pista GP R/Corsa R/Veloce S	xx-xx	53-54	55-56	57-58	xx-xx	59-60	60-61	61-62	63-64	xx-xx	xx-xx	xx-xx
AGV Pista K1/K3/K5	xx-xx	53-54	55-56	57	xx-xx	58	59-60	61-62	63-64	xx-xx	xx-xx	xx-xx
Suomy	xx-xx	53-54	55-56	xx-xx	57-58	xx-xx	59-60	61-62	65-64	65-66	xx-xx	xx-xx
HJC	51-52	53-54	55-56	xx-xx	57-58	xx-xx	59-60	61-62	63-64	65-66	67-68	69-70
ARAI	51-52	53-54	55-56	xx-xx	57-58	xx-xx	59-60	61-62	63-64	65-66	xx-xx	xx-xx

EURO	ALPHA	USA	Chest(cm)	Waist(cm)	Hips(cm)	Height(cm)	Crotch(cm)	Sleeves(cm)
42	XS	32	82/86	70/74	84/88	163/166	76/77	55/56
44	S	34	86/90	74/78	88/92	166/169	61-62	65-66
46	S	36	90/94	78/82	92/96	169/172	79/80	57/58
48	M	38	94/98	82/86	96/100	172/175	80/82	58/59
50	M	40	98/102	86/90	100/104	175/178	82/83	59/60
52	L	42	102/106	90/94	104/108	178/181	83/84	60/61
54	L	44	106/110	94/98	108/112	181/184	84/85	61/62
56	XL	46	110/114	98/102	112/116	184/187	85/86	62/63
58	XL	48	114/118	102/106	116/120	187/188	86/87	62/63
60	2XL	50	118/122	106/110	120/124	188/189	87/88	63/64
62	3XL	52	122/126	110/114	124/128	189/190	87/88	63/64
64	4XL	54	126/130	114/118	128/132	190/191	88/89	64/65

Manufacturer (Circumference)	XS(cm)	SM(cm)	MD(cm)	LG(cm)	XL(cm)	XXL(cm)	3XL(cm)	4XL(cm)
Dainese Men's (cm)	19.1	20.3	21.6	22.9	24.1	25.4	26.7	xx.x
Dainese Women's (cm)	15.2	16.5	17.8	19.1	xx.x	xx.x	xx.x	xx.x
RS Taichi Men's (cm)	xx.x	22.0	23.0	24.0	25.0	26.0	27.0	28.0
RS Taichi Women's (cm)	xx.x	15.0	16.0	xx.x	xx.x	xx.x	xx.x	xx.x
Scorpion Men's (cm)	12.7	15.2	17.8	20.3	22.9	25.4	27.9	xx.x
SPIDI Men's (cm)	19.8-20.6	20.6-21.4	21.4-22.2	22.2-23.0	23.0-23.8	23.8-24.6	24.6-25.4	xx.xx
SPIDI Women's (cm)	19.0-19.8	19.8-20.6	20.6-21.4	21.4-22.2	22.2-23.0	xx.x	xx.x	xx.x
Alpinestars Men's (cm)	xx.x	19.1-21.6	20.3-21.6	21.6-22.9	22.9-24.1	24.1-25.4	25.4-27.9	xx.x

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Alpinestars Nucleon Kr-3 Back Protector Smoke Black Red

Nucleon Kr-3 Back Protector

The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR-3 Protector offers excellent performance under an outer leather or textile garment.

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$219.95

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You can return any new, unused and unaltered item within 30 days of delivery of your item. We will issue a full refund via your original payment method. Return Policy.

Destination	Delivery type	Delivery time	Cost
US	Standard Ground delivery	2-3 Working days	FREE
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Nucleon Kr-3 Back Protector

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