Alpinestars Tech-1 Z v3 Racing Shoes - SFI 3.3
Alpinestars Tech-1 Z v3 Racing Shoes - SFI 3.3
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Alpinestars Tech‑1 Z v3 Racing Shoes are premium, SFI‑certified motorsport shoes built for drivers who demand top‑tier comfort, pedal feel, and fire protection. Their supple leather upper flexes naturally with your foot for a snug, adaptive fit, while the lightweight, contoured construction minimizes fatigue during long stints behind the wheel. A thermo-formed heel cup and ergonomic footbed provide secure heel lockdown and stable support under braking and throttle use. With fire‑resistant lining and advanced sole design, Tech‑1 Z v3 shoes deliver protection, precision and comfort all in one.
Size Guide
| US | EU | JPN | Foot length (cm) |
|---|---|---|---|
| 2½ | 34 | 20.5 | 21.2–22.0 |
| 3 | 34.5 | 21 | 21.6–22.4 |
| 3½ | 35 | 21.5 | 22.0–22.8 |
| 4 | 35.5 | 22 | 22.4–23.2 |
| 4½ | 36 | 22.5 | 22.9–23.7 |
| 5 | 37 | 23 | 23.3–24.1 |
| 5½ | 37.5 | 23.5 | 23.7–24.5 |
| 6 | 38 | 24 | 24.2–25.0 |
| 6½ | 38.5 | 24.5 | 24.6–25.4 |
| 7 | 39 | 25 | 25.0–25.8 |
| 7½ | 40 | 25.5 | 25.4–26.2 |
| 8 | 40.5 | 25.5 | 25.9–26.7 |
| 8½ | 41 | 26 | 26.3–27.1 |
| 9 | 42 | 26.5 | 26.7–27.5 |
| 9½ | 42.5 | 27 | 27.1–27.9 |
| 10 | 43 | 27.5 | 27.6–28.4 |
| 10½ | 43.5 | 28 | 28.0–28.8 |
| 11 | 44 | 28.5 | 28.4–29.2 |
| 11½ | 45 | 29.5 | 28.8–29.8 |
| 12 | 45.5 | 29.5 | 29.3–30.1 |
| 12½ | 46 | 30 | 29.7–30.5 |
| 13 | 47 | 30.5 | 30.1–30.9 |
Source: Alpinestars official auto shoe and kart shoe size guides (US 2½–4½, 5½, 6½, 11½ and 12½ come from the kart shoe chart). Our size options are US sizes. Measure the longest part of your foot in cm and choose the size whose foot-length range contains it.
Sizing is from the manufacturer and varies between brands. Measure yourself and compare against the table rather than ordering your usual street size.