Availability: 9 in stock
Almost every component of the Supertech R Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance features even further. Featuring innovations derived using feedback from Alpinestars involvement in top flight racing, key elements include a newly redesigned front flex area, a redesigned rear bellow, a redesigned top gaiter, a new shifter and shin plate, a new shin slider and a new inner bootie, all of which enhance the comfort, protection and the performance of this boot to a new class-leading high.
| Brand | Alpinestars |
|---|---|
| Part Number | 2220021-10-39/8059175376191 |
| Product Style | Item # | Store Sku | MFR. Product # |
|---|---|---|---|
| Black / 39 | 1840921 | 336716 | 2220021-10-39/8059175376191 |
| Black / 40 | 1840922 | 336717 | 2220021-10-40/8059175376207 |
| Black / 41 | 1840923 | 336718 | 2220021-10-41/8059175376214 |
| Black / 42 | 1840924 | 336719 | 2220021-10-42/8059175376221 |
| Black / 43 | 1840925 | 336720 | 2220021-10-43/8059175376238 |
| Black / 44 | 1840926 | 336721 | 2220021-10-44/8059175376245 |
| Black / 45 | 1840927 | 336722 | 2220021-10-45/8059175376252 |
| Black / 46 | 1840928 | 336723 | 2220021-10-46/8059175376269 |
| Black / 47 | 1840929 | 336724 | 2220021-10-47/8059175376276 |
| Black / 48 | 1840930 | 336725 | 2220021-10-48/8059175376283 |
| Black/Black / 39 | 10100507 | 2220021-1100-39/8059175955259 | |
| Black/Black / 40 | 10100508 | 2220021-1100-40/8059175955280 | |
| Black/Black / 41 | 10100509 | 2220021-1100-41/8059175955297 | |
| Black/Black / 42 | 10100510 | 2220021-1100-42/8059175955303 | |
| Black/Black / 43 | 10100511 | 2220021-1100-43/8059175955310 | |
| Black/Black / 44 | 10100512 | 2220021-1100-44/8059175955327 | |
| Black/Black / 45 | 10100513 | 2220021-1100-45/8059175955334 | |
| Black/Black / 46 | 10100514 | 2220021-1100-46/8059175955341 | |
| Black/Black / 47 | 10100515 | 2220021-1100-47/8059175955358 | |
| Black/Black / 48 | 10100516 | 2220021-1100-48/8059175955365 | |
| Black/White / 39 | 1840931 | 2220021-12-39/8059175376290 | |
| Black/White / 40 | 1840932 | 2220021-12-40/8059175376306 | |
| Black/White / 41 | 1840933 | 438297 | 2220021-12-41/8059175376313 |
| Black/White / 42 | 1840934 | 439370 | 2220021-12-42/8059175376320 |
| Black/White / 43 | 1840935 | 439382 | 2220021-12-43/8059175376337 |
| Black/White / 44 | 1840936 | 439406 | 2220021-12-44/8059175376344 |
| Black/White / 45 | 1840937 | 439412 | 2220021-12-45/8059175376351 |
| Black/White / 46 | 1840938 | 439515 | 2220021-12-46/8059175376368 |
| Black/White / 47 | 1840939 | 439577 | 2220021-12-47/8059175376375 |
| Black/White / 48 | 1840940 | 2220021-12-48/8059175376382 | |
| Black/Fluo Red/White/Grey / 39 | 1840951 | 8059175376498/2220021-1329-39 | |
| Black/Fluo Red/White/Grey / 40 | 1840952 | 8059175376504/2220021-1329-40 | |
| Black/Fluo Red/White/Grey / 41 | 1840953 | 2220021-1329-41/8059175376511 | |
| Black/Fluo Red/White/Grey / 42 | 1840954 | 2220021-1329-42/8059175376528 | |
| Black/Fluo Red/White/Grey / 43 | 1840955 | 2220021-1329-43/8059175376535 | |
| Black/Fluo Red/White/Grey / 44 | 1840956 | 2220021-1329-44/8059175376542 | |
| Black/Fluo Red/White/Grey / 45 | 1840957 | 2220021-1329-45/8059175376559 | |
| Black/Fluo Red/White/Grey / 46 | 1840958 | 439315 | 2220021-1329-46/8059175376566 |
| Black/Fluo Red/White/Grey / 47 | 1840959 | 2220021-1329-47/8059175376573 | |
| Black/Fluo Red/White/Grey / 48 | 1840960 | 8059175376580/2220021-1329-48 | |
| Black/Red / 39 | 10100517 | 2220021-1236-39/8059175955372 | |
| Black/Red / 40 | 10100518 | 2220021-1236-40/8059175955389 | |
| Black/Red / 41 | 10100519 | 2220021-1236-41/8059175955396 | |
| Black/Red / 42 | 10100520 | 2220021-1236-42/8059175955402 | |
| Black/Red / 43 | 10100521 | 2220021-1236-43/8059175955419 | |
| Black/Red / 44 | 10100522 | 2220021-1236-44/8059175955426 | |
| Black/Red / 45 | 10100523 | 2220021-1236-45/8059175955433 | |
| Black/Red / 46 | 10100524 | 2220021-1236-46/8059175955440 | |
| Black/Red / 47 | 10100525 | 2220021-1236-47/8059175955457 | |
| Black/Red / 48 | 10100526 | 2220021-1236-48/8059175955464 | |
| Black/White/Red / 39 | 1840941 | 2220021-123-39/8059175376399 | |
| Black/White/Red / 40 | 1840942 | 2220021-123-40/8059175376405 | |
| Black/White/Red / 41 | 1840943 | 2220021-123-41/8059175376412 | |
| Black/White/Red / 42 | 1840944 | 2220021-123-42/8059175376429 | |
| Black/White/Red / 43 | 1840945 | 2220021-123-43/8059175376436 | |
| Black/White/Red / 44 | 1840946 | 2220021-123-44/8059175376443 | |
| Black/White/Red / 45 | 1840947 | 2220021-123-45/8059175376450 | |
| Black/White/Red / 46 | 1840948 | 2220021-123-46/8059175376467 | |
| Black/White/Red / 47 | 1840949 | 2220021-123-47/8059175376474 | |
| Black/White/Red / 48 | 1840950 | 2220021-123-48/8059175376481 | |
| 48 / Black/Magenta/White/Yellow | 10509799 | 349300 | 2220021-1634- 48/2220021-1634-48 |
| 47 / Black/Magenta/White/Yellow | 10509800 | 349299 | 2220021-1634- 47/2220021-1634-47 |
| 46 / Black/Magenta/White/Yellow | 10509801 | 349298 | 2220021-1634- 46/2220021-1634-46 |
| 45 / Black/Magenta/White/Yellow | 10509802 | 349297 | 2220021-1634- 45/2220021-1634-45 |
| 44 / Black/Magenta/White/Yellow | 10509803 | 349296 | 2220021-1634- 44/2220021-1634-44 |
| 43 / Black/Magenta/White/Yellow | 10509804 | 349295 | 2220021-1634- 43/2220021-1634-43 |
| 42 / Black/Magenta/White/Yellow | 10509805 | 349294 | 2220021-1634- 42/2220021-1634-42 |
| 41 / Black/Magenta/White/Yellow | 10509806 | 349293 | 2220021-1634- 41/2220021-1634-41 |
| 40 / Black/Magenta/White/Yellow | 10509807 | 349292 | 2220021-1634- 40/2220021-1634-40 |
| 39 / Black/Magenta/White/Yellow | 10509808 | 349291 | 2220021-1634- 39/2220021-1634-39 |
| 38 / Black/Magenta/White/Yellow | 10509809 | 349290 | 2220021-1634-38 |
| 37 / Black/Magenta/White/Yellow | 10509810 | 349289 | 2220021-1634-37 |
| 48 / Bright Red | 10339658 | 2220021-3029-48/8059347330860 | |
| 47 / Bright Red | 10339659 | 2220021-3029-47/8059347330853 | |
| 46 / Bright Red | 10339660 | 2220021-3029-46/8059347330846 | |
| 45 / Bright Red | 10339661 | 2220021-3029-45/8059347330839 | |
| 44 / Bright Red | 10339662 | 2220021-3029-44/8059347330822 | |
| 43 / Bright Red | 10339663 | 2220021-3029-43/8059347326863 | |
| 42 / Bright Red | 10339664 | 2220021-3029-42/8059347326849 | |
| 41 / Bright Red | 10339665 | 2220021-3029-41/8059347330815 | |
| 40 / Bright Red | 10339666 | 2220021-3029-40/8059347330808 | |
| 39 / Bright Red | 10339667 | 2220021-3029-39/8059347326856 | |
| 48 / Yellow/Black | 10420851 | 2220021-551-48 | |
| 47 / Yellow/Black | 10420852 | 2220021-551-47 | |
| 46 / Yellow/Black | 10420853 | 2220021-551-46 | |
| 45 / Yellow/Black | 10420854 | 2220021-551-45 | |
| 44 / Yellow/Black | 10420855 | 2220021-551-44 | |
| 43 / Yellow/Black | 10420856 | 2220021-551-43 | |
| 42 / Yellow/Black | 10420857 | 2220021-551-42 | |
| 41 / Yellow/Black | 10420858 | 2220021-551-41 | |
| 40 / Yellow/Black | 10420859 | 2220021-551-40 | |
| 39 / Yellow/Black | 10420860 | 2220021-551-39 | |
| 38 / Yellow/Black | 10420861 | 2220021-551-38 | |
| 37 / Yellow/Black | 10420862 | 2220021-551-37 |