Place the article you want in the basket then during the order process select the shipment and payment method “Pick up in store.”
As soon as the article is ready to be picked up in store we will send you an email notification. From this point you have 14 days to pick up your order. At the end of this period your
reservation will be cancelled. You can try on the desired articles (max. 10) without obligation in the store.
Your desired article is only available at the store in Würselen.
Würselen store
Order your product online for pick-up at the store.
How it works
The extremely lightweight Level 2 Nucleon Flex Pro back protector insert is made of a highly ventilated blend of Nucleon Cell and Nucleon Flex to create an optimal balance between power transfer and flexibility. To top it off, it features soft 3D mesh lining for increased rider comfort.
Features:
The super-lightweight back protector insert is designed in three waist-shoulder dimensions to cover all body sizes
Cell high-performance polymer and Nucleon Flex structures provide optimized flexibility and excellent weight-saving properties
The design of the back protector changes from the center to the outside, providing a perfect balance between energy absorption and flexibility
Soft, comfortable 3D mesh on the body side of the protector provides breathability and rider comfort
Push-button compatibility for quick and easy use with Alpinestars suits and jackets
Rigorously tested for proven performance in extreme temperatures
EN 1621-2:2014, Level 2
Weight: S-0.6 kg, M-0.7 kg, L-0.75 kg
Ratings (1)
Customer ratings for Alpinestars Nucleon Flex Pro Back Protector
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. Inseam: Inside leg measured from the crotch to the ground.
Men (regular sizes)
Ordering size
Intern. size
US size
US Pants size
Body height (cm)
Chest circumference (cm)
Waist circumference (cm)
Hip circumference (cm)
Arm length (cm)
Thigh circumference (cm)
Inseam (cm)
40
XXS
30
24
150-156
78-82
64-68
79-83
49-50
48-49
71-72
42
XXS-XS
32
26
157-163
82-86
68-72
83-87
51-52
50-51
73-74
44
XS
34
28
164-167
86-90
72-76
87-91
53-54
52-53
75-76
46
S
36
30
168-171
90-94
76-80
91-95
55-56
54-55
77-78
48
S-M
38
32
172-175
94-98
80-84
95-99
57-58
56-57
79-80
50
M-L
40
34
176-179
98-102
84-88
99-103
59-60
58-59
81-82
52
L
42
36
180-183
102-106
88-92
103-107
61-62
60-61
83-84
54
L-XL
44
38
184-187
106-110
92-96
107-111
63-64
62-63
85-86
56
XL-XXL
46
40
188-191
110-114
96-100
111-115
65-66
64-65
87-88
58
XXL
48
42
192-195
114-118
100-104
115-119
67-68
66-67
89-90
60
3XL
50
44
192-195
118-122
104-108
119-123
67-68
68-69
89-90
62
3XL-4XL
52
46
196-199
122-126
108-112
123-127
69-70
70-71
91-92
64
4XL
54
48
196-199
126-130
112-116
127-131
69-70
72-73
91-92
66
5XL
56
50
196-199
130-134
116-120
131-136
69-70
74-75
91-92
68
6XL
56
50
196-199
134-138
120-124
136-140
69-70
76-77
91-92
Apparel for women
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 inseam: Inside leg measured from the crotch to the ground.
Women (regular sizes)
Ordering size
Intern. size
US size
US pants size
Body height (cm)
Chest circumference (cm)
Waist circumference (cm)
Hip circumference (cm)
Arm length (cm)
Thigh circumference(cm)
Inseam(cm)
36
XXS
0
22
157-160
78-82
58-62
82-86
50-51
50-51
72-73
38
XXS-XS
2
24
161-164
82-86
62-66
86-90
52-53
52-53
74-75
40
XS
4
26
165-168
86-90
66-70
90-94
54-55
54-55
76-77
42
S
6
28
169-172
90-94
70-74
94-98
56-57
56-57
78-79
44
M
8
30
173-176
94-98
74-78
98-102
58-59
58-59
80-81
46
M-L
10
32
177-180
98-102
78-82
102-106
60-61
60-61
82-83
48
L-XL
12
34
181-184
102-106
82-86
106-110
62-63
62-63
84-85
50
XL-XXL
14
16
181-184
106-110
86-90
110-114
62-63
64-65
84-85
52
XXL-3XL
16
38
185-188
110-114
90-94
114-118
64-65
66-67
86-87
54
3XL
18
40
185-188
114-118
94-98
118-122
64-65
68-69
86-87
Apparel for Kids
Kids (regular sizes)
Ordering size
Intern. size
US pants size
Age
Body height(cm)
Chest circumference (cm)
Waist circumference (cm)
Hip circumference (cm)
Arm length (cm)
Thigh circumference(cm)
Inseam(cm)
120
S
22
6
120-130
60,5-65,5
54-58
68-72
40-44
40-42
51,1-56,5
130
M
24
7-8
130-140
65,5-70,5
58-62
72-76
44-48
42-44
56,5-61,5
140
L
26
9-10
140-150
70,5-75,5
62-66
76-80
48-52
44-46
61,5-66,5
150
XL
28
11-12
150-160
75,5-80,5
66-70
80-84
52-56
46-48
66,5-71,5
Helmet sizes
A. Use a measuring tape around the widest point of your head (approx. 1 cm above the ears) to get the correct measurement for a helmet.
Apply the calculated value from the table.
Helmet sizes
Ordering size
XS
S
M
L
XL
XXL
Head circumference (cm)
53-54
55-56
57-58
59-60
61-62
63-64
Boots and Shoes
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.
Men's Boots
EU size
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
US size
3,5
4
5
6
6,5
7,5
8
9
9,5
10,5
11,5
12
12,5
13,5
14
JPN size
22,5
23
24
25
25,5
26
26,5
27,5
28,5
29,5
30
30,5
31,5
32
33
Men's Shoes
EU size
37
37,5
38
38,5
39
40
40,5
41
42
42,5
43
43,5
44
45
45,5
46
47
47,5
48
US size
5
5,5
6
6,5
7
7,5
8
8,5
9
9,5
10
10,5
11
11,5
12
12,5
13
13,5
14
JPN size
23
23,5
24
24,5
25
25,5
25,5
26
26,5
27
27,5
28
28,5
29,5
29,5
30
30,5
31
31,5
Women's Boots
EU sizes
35
36
37
38
39
40
41
42
43
44
US sizes
4
5
6
7
8
8,5
9
10
11
11,5
JPN sizes
22
22,5
23
24
25
25,5
26
26,5
27,5
28
Women's Shoes
EU size
36
37
37,5
38
38,5
39
40
40,5
41
42
42,5
43
43,5
44
US size
3,5
4
5
6
6,5
7,5
8
9
9,5
10,5
11,5
12
12,5
13,5
JPN size
22,5
23
24
25
25,5
26
26,5
27,5
28,5
29,5
30
30,5
31,5
32
Gloves
A. Measure the circumference of your hand at the widest point around your palm to find the correct glove size.
B.Copy the value into the table.
Gloves
Ordering size
Men:
S
M
L
XL
XXL
3XL
Women:
XS
S
M
L
XL
Hand circumference (cm)
17,3-20,3
20,3-21,6
21,6-22,9
22,9-24,1
24,1-25,4
25,4-27,9
16,5-17,8
17,8-19
19-20,3
20,3-21,6
21,6-22,9
Protectors
Men's protector jackets
Ordering size
Intern. size
Body height (cm)
Chest circumference (cm)
Waist to shoulder (cm)
XS
XS
157-166
82-90
38-43
S
S
166-173
90-96
38-43
M
M
173-178
96-101
43-48
L
L
178-185
101-108
43-48
XL
XL
185-190
108-112
48-51
XXL
XXL
190-195
112-118
48-51
Women's protector jackets
Ordering size
Intern. size
Body height (cm)
Chest circumference (cm)
Waist to shoulder (cm)
S
S
169-172
86-90
38-43
M
M
172-176
90-94
43-48
L
L
176-180
94-98
43-48
Kid's protector jackets
Ordering size
Age
Body height (cm)
Chest circumference (cm)
Waist to shoulder (cm)
S/M
6-8
120-140
60-70
30-35
L/XL
9-12
140-160
70-80
35-40
Men's chest protectors
Ordering size
Intern. size
Body height (cm)
Chest circumference (cm)
Waist to shoulder (cm)
XS/S
XS/S
157-173
82-96
38-43
M/L
M/L
173-185
96-108
43-48
XL/XXL
XL/XXL
185-198
108-118
48-51
Nucleon back protectors KR-1 / KR-2 / KR-R
Ordering size
XS
S
M
L
XL
Waist belt (cm)
41
44
47
51
54
Dimension
Small
Medium
Medium
Large
Large
Nucleon back protectors KR-1I / KR-2I
Ordering size
Intern. size
Body height (cm)
Waist circumference (cm)
Waist to shoulder (cm)
S
S
144-167
68-76
38-43
M
M
164-183
76-88
43-48
L
L
180-195
88-111
48-51
Nucleon chest protectors KR-C / KR-CI / KR-CIR Men
Ordering size
Intern. size
Body height (cm)
Chest circumference (cm)
Waist circumference (cm)
XS/S (Type A)
XS/S
156-163
82-86
68-72
XS/S (Type A)
XS/S
163-167
86-90
72-76
XS/S (Type A)
XS/S
167-171
90-94
76-80
XS/S (Type A)
XS/S
171-175
94-98
80-84
M/L/XL (Type B)
M/L/XL
175-179
98-102
84-88
M/L/XL (Type B)
M/L/XL
179-183
102-106
88-92
M/L/XL (Type B)
M/L/XL
183-187
106-110
92-96
M/L/XL (Type B)
M/L/XL
187-191
110-114
96-100
M/L/XL (Type B)
M/L/XL
191-195
114-118
100-104
M/L/XL (Type B)
M/L/XL
191-195
118-122
104-108
M/L/XL (Type B)
M/L/XL
195-199
122-126
108-112
M/L/XL (Type B)
M/L/XL
195-199
126-130
112-116
Men's knee protectors - measure the upper leg 10cm above the center of the knee cup
Ordering size
Upper leg circumference (cm)
Calf circumference (cm)
S/M
39-45
32-38
L/XL
45-50
38-43
Men's ellbow protectors - measure at the widest muscle circumference
Ordering size
Upper arm circumference (cm)
Lower arm circumference (cm)
S/M
23-29
20-28
L/XL
29-35
28-34
Bionic knee brace - measure knee cup width at the center
Ordering size
S
M
L
XL
Width (cm)
10,6-11,4
11,4-12,2
12,2-13
13-13,8
Men's kidney belts
Ordering size
Waist circumference (cm)
XS/L
70-94
XL/4XL
94-116
Kid's kidney belts
Ordering size
Age
Waist circumference (cm)
S/M
6-8
60,5-70,5
L/XL
9-12
70,5-80,5
Shipping
Possible delivery methods: UPS Italia (Italy), DHL (Norway), UPS France, UPS Slovenija (Slovenia), UPS Ireland, UPS Suomi (Finland), UPS Eesti (Estonia), UPS Belgique (Belgium), UPS Nederland (Netherlands), UPS España (Spain), UPS Polska (Poland), UPS Portugal, UPS (Czech Republic), UPS Ελλάδα (Greece), UPS Sverige (Sweden), DHL Suisse (Switzerland), UPS Luxembourg, UPS Germany, UPS Slovenská (Slovakia), UPS Magyarország (Hungary), DHL Germany, UPS Österreich (Austria), UPS Danmark (Denmark), UPS България (Bulgaria), UPS România (Romania), España Islas Canarias, UPS Latvija (Latvia), UPS Lietuva (Lithuania), DHL Portugal Island, DHL Hrvatska (Croatia), Bosnia & Herzegovina, DHL Malta, DHL Serbia and Montenegro, DHL Cyprus, DHL Liechtenstein, Pick up in the store, DHL World (outside Europe), DHL EXPRESS Z03, DHL EXPRESS Zone 9, DHL Belgique (Belgium), DHL България (Bulgaria), DHL (Czech Republic), DHL Danmark (Denmark), DHL Portugal, DHL España (Spain), DHL Ελλάδα (Greece), DHL France, DHL United Kingdom, DHL Eesti (Estonia), DHL Ireland, DHL Italia (Italy), DHL Latvija (Latvia), DHL Lietuva (Lithuania), DHL Luxembourg, DHL Magyarország (Hungary), DHL Nederland (Netherlands), DHL Österreich (Austria), DHL Polska (Poland), DHL România (Romania), DHL Slovenija (Slovenia), DHL Suomi (Finland), DHL Slovenská (Slovakia), DHL Sverige (Sweden), DHL Zone 4 A NON-EU, DHL Zone 3 A NON-EU, UPS Express Saver, DHL EXPRESS Zone 4, UPS Express Saver, UPS Express Saver, UPS Express Saver, UPS Express Saver Zone 5, DHL EXPRESS Zone 8, UPS Express Saver, UPS Express Saver, UPS Express Saver, DHL EXPRESS Zone 5, DHL EXPRESS Zone 11, DHL EXPRESS Zone 2, DHL EXPRESS Zone 10, DHL EXPRESS Zone 6, DHL EXPRESS Zone 1, DHL EXPRESS Zone 7, DHL EXPRESS Zone 7 (USA), UPS Express Saver, DHL Germany Bulky Freight, DHL EU bulky goods, DHL World (outside Europe) bulky goods
100 Days Right Of Return
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