The A-Impact Plasma Protection Shorts have been designed and developed based on feedback from elite athletes to provide maximum impact protection while still allowing a high degree of leg movement.
Construction
The Nucleon Plasma protectors in these shorts are made from a USDA certified viscoelastic material that is molded into a structure that flexes in all directions while having the ability to dissipate impact energy
The main chassis is made of soft, highly breathable stretch mesh fabric for optimized cooling performance
Abrasion-resistant outer textile over the protector pockets for superior durability
Silicone-coated bottom hem to prevent the shorts from slipping while riding
Additional coverage of the lower spie provided by the PU foam padding on the back
Comfort
Equipped with a seat pad specially optimized for enduro and/or gravity disciplines
Soft, stretchy front construction with shell-shaped cut to eliminate discomfort in the lower abdominal area during the riding position
Protection
Equipped with removable, CE Level 1 certified Nucleon Plasma hip protectors for quick and easy washing of the shorts
Equipped with two Nucleon Plasma Lite side pads for additional thigh coverage
Certification
| Product Name: | Alpinestars A-Impact Plasma Protection Shorts - black/white |
| Manufacturer: | Alpinestars |
| Item Code: | AST717121 |
| activity: | Cycling |
| gender: | men |
| usage bikesport: | MTB, Enduro, Allroad / Gravel |
| safety standards: | EN 1621-1 |
| protected zone: | Thigh/Rump |
| Model year: | 2026 |
| Collection: | Full year |
| Color: | Black |
| GTINs: | 8059347566429, 8059347566436, 8059347500072, 8059347566443 |
In the following tables you will find information on the dress sizes of the manufacturer Alpinestars.
| International | XS | S | M | L | XL | XXL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| A. body height (cm) | 163 - 168 | 169 - 174 | 175 - 179 | 180 - 184 | 185 - 189 | 190 - 194 | 190 - 194 | 195 - 199 |
| B. chest (cm) | 83.5 - 89 | 89 - 94.5 | 94.5 - 100 | 100 - 105.5 | 105.5 - 111 | 111 - 116.5 | 116.5 - 122 | 122 - 127.5 |
| C. waist (cm) | 69 - 75 | 75 - 81 | 81 - 87 | 87 - 92 | 92 - 97 | 97 - 102 | 102 - 107 | 107 - 112 |
| D. hips (cm) | 85 - 91 | 91 - 97 | 97 - 102 | 102 - 109 | 109 - 113 | 113 - 120 | 120 - 125 | 125 - 131 |
| G. arm (from shoulder) (cm) | 51.5 - 53.5 | 54.5 - 56.5 | 57.5 - 59 | 60 - 62 | 63 - 65 | 66 - 68 | 66 - 68 | 68 - 70 |
International XS
International S
International M
International L
International XL
International XXL
International 3XL
International 4XL
| US | 26 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
|---|---|---|---|---|---|---|---|---|---|---|
| Europe | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 |
| A. body height (cm) | 157 - 162 | 163 - 168 | 169 - 174 | 175 - 179 | 180 - 184 | 185 - 189 | 190 - 194 | 190 - 194 | 195 - 199 | 195 - 199 |
| B. thigh circumference (cm) | 48 - 50.5 | 50.5 - 53 | 53 - 55.5 | 55.5 - 58 | 58 - 60.5 | 60.5 - 63 | 63 - 65.5 | 65.5 - 68 | 68 - 70.5 | 70.5 - 73 |
| C. waist (cm) | 63 - 69 | 69 - 75 | 75 - 81 | 81 - 87 | 87 - 92 | 92 - 97 | 97 - 102 | 102 - 107 | 107 - 112 | 112 - 117 |
| D. hips (cm) | 79 - 84.5 | 84.5 - 90 | 90 - 95.5 | 95.5 - 101 | 101 - 106.5 | 106.5 - 112 | 112 - 117.5 | 117.5 - 123 | 123 - 128.5 | 128.5 - 134 |
| E. inseam (cm) | 71 - 73 | 74 - 76 | 77 - 79 | 80 - 82 | 83 - 85 | 86 - 88 | 89 - 91 | 89 - 91 | 91 - 92 | 91 - 92 |
US 26 Europe 42
US 28 Europe 44
US 30 Europe 46
US 32 Europe 48
US 34 Europe 50
US 36 Europe 52
US 38 Europe 54
US 40 Europe 56
US 42 Europe 58
US 44 Europe 60
| International | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| A. body height (cm) | 157 - 162 | 162.5 - 168 | 168.5 - 172 | 172.5 - 176.5 | 176.5 - 180.5 | 180.5 - 182.5 |
| B. chest (cm) | 78 - 84 | 84 - 90 | 90 - 94 | 94 - 98.5 | 98.5 - 103 | 103 - 108 |
| C. waist (cm) | 58 - 64 | 64 - 70 | 70 - 74 | 74 - 78.5 | 78.5 - 83 | 83 - 88 |
| D. hips (cm) | 82 - 88 | 88 - 94 | 94 - 98 | 98 - 102.5 | 102.5 - 107 | 107 - 112 |
| G. arm (from shoulder) (cm) | 50 - 52.5 | 52.5 - 55 | 55.5 - 57.5 | 58 - 59.5 | 60 - 61.5 | 61.5 - 62.5 |
International XS
International S
International M
International L
International XL
International XXL
| US | 24 | 26 | 28 | 30 | 32 | 34 | 36 |
|---|---|---|---|---|---|---|---|
| Europe | 32 | 34 | 36 | 38 | 40 | 44 | 46 |
| A. body height (cm) | 157 - 162 | 162.5 - 168 | 168.5 - 172 | 172.5 - 176.5 | 176.5 - 180.5 | 180.5 - 182.5 | 182.5 - 185 |
| B. thigh circumference (cm) | 50 - 52.5 | 52.5 - 55 | 56 - 57 | 58 - 59.5 | 60 - 61.5 | 62 - 64 | 64.5 - 66.5 |
| C. waist (cm) | 58 - 63.5 | 63.5 - 69 | 69 - 74 | 74 - 79 | 79 - 84 | 84 - 89 | 89 - 94 |
| D. hips (cm) | 82 - 88 | 88 - 94 | 94 - 98 | 98 - 102.5 | 102.5 - 107 | 107 - 112 | 112 - 117 |
| E. inseam (cm) | 72 - 74.5 | 74.5 - 77 | 77 - 79.5 | 80 - 81.5 | 82 - 83.5 | 83.5 - 84.5 | 84.5 - 86 |
US 24 Europe 32
US 26 Europe 34
US 28 Europe 36
US 30 Europe 38
US 32 Europe 40
US 34 Europe 44
US 36 Europe 46
| International | S | M | L | XL |
|---|---|---|---|---|
| A. body height (cm) | 120 | 130 | 140 | 150 |
| B. chest (cm) | 60.5 - 65.5 | 65.5 - 70.5 | 70.5 - 75.5 | 75.5 - 80.5 |
| C. waist (cm) | 54 - 58 | 58 - 62 | 62 - 66 | 66 - 70 |
| D. hips (cm) | 68 - 72 | 72 - 76 | 76 - 80 | 80 - 84 |
| G. arm (from shoulder) (cm) | 40 - 44.5 | 44.5 - 49 | 49 - 53.5 | 53.5 - 58 |
International S
International M
International L
International XL
| International | S | M | L | XL |
|---|---|---|---|---|
| A. body height (cm) | 120 | 130 | 140 | 150 |
| B. thigh circumference (cm) | 40 - 42 | 42 - 44 | 44 - 46 | 46 - 48 |
| C. waist (cm) | 54 - 58 | 58 - 62 | 62 - 66 | 66 - 70 |
| D. hips (cm) | 68 - 72 | 72 - 76 | 76 - 80 | 80 - 84 |
| E. inseam (cm) | 51.5 - 56.5 | 56.5 - 61.5 | 61.5 - 66.5 | 66.5 - 71.5 |
International S
International M
International L
International XL