Product Details
Size Guide
| Euro Size | US Size | UK Size |
|---|---|---|
| 36 | 3.5 | 2.5 |
| 37 | 4 | 3 |
| 38 | 5 | 4 |
| 39 | 6 | 5 |
| 40 | 6.5 | 5.5 |
| 41 | 7.5 | 6.5 |
| 42 | 8 | 7 |
| 43 | 9 | 8 |
| 44 | 9.5 | 8.5 |
| 45 | 10.5 | 9.5 |
| 46 | 11.5 | 10.5 |
| 47 | 12 | 11 |
| 48 | 12.5 | 11.5 |
| 49 | 13.5 | 12.5 |
| 50 | 14 | 13 |
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 gaitor, 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.
PROTECTION:
- Replaceable co-injected TPU/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistance.
- New replaceable heel plate slider design offers increased sliding performance and protection in the case of crash.
- Inner bootie is equipped with a new external toe area with a soft TPU reinforcement for superior impact protection and additional ankle padding for greater protection, stability and cushioning during natural movement of the foot.
- CE EN13634:2017.
CONSTRUCTION:
- Redesigned rear bellow in stretch microfiber for improved natural front and back movement.
- Redesigned top gaiter in microfiber material with TPU over injection for enhanced prehensility.
- Hook and loop closure secures the puller zip remains in position.
- Micro adjustable ratchet closure on top of boot for an optimized fit.
- Sole constructed using a lightweight rubber compound for excellent grip on the pegs.
- Separate, internally updated bio-mechanical inner bootie made by 3D mesh material for greater structure, thus improving rider comfort.
FEATURES:
- New synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike.
- New TPU shifter for increased protection on lower medial side.
- New TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area.
- New replaceable shin slider for additional abrasion resistance.
- New TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit.
- Main upper material constructed using microfiber for optimum abrasion resistance, while also delivering high levels of flexibility.
- New front flex area for improved impact abrasion while also ensuring the natural front and back.
- New front flex area increases ventilation and airflow for additional breathability.