Alpinestars Supertech R Vented Boots - White/Gray/Black
US 4 / EU 37
$649.95
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- Sole constructed using a lightweight rubber compound for excellent grip on the pegs
- Thermoplastic Polyurethane (TPU) shifter for increased protection on lower medial side
- Replaceable shin slider for additional abrasion resistance
- TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit
Color: White/Gray/Black
Out of stock — message us and we will confirm a lead time
Ways to pay
- Shop Pay Installments — 4 interest-free payments on orders $50–$999.99, or pay monthly.
- Afterpay — 4 interest-free payments, generally over six weeks.
Also credit and debit cards, PayPal, Cash App Pay, Apple Pay and Google Pay. Choose how to pay at checkout.
Installments are subject to approval.
- FreeUS shipping on this item
- 90-dayreturns, no restocking fee
- GenuineAlpinestars, authorized dealer
Not sure about your size?
Check the size guide below, or send us the size you usually wear and a specialist at the dealership helps you pick the right one. No charge, no obligation.
See the size guide ↓
Ask a specialist →
Need help?
Not sure which size to order? Call the parts counter at Riders Miami Motorsports and we help you pick.
Tap to call · +1 645-239-3174Product details
- 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
- Synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike
- Thermoplastic Polyurethane (TPU) shifter for increased protection on lower medial side
- 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 and stability during natural movement of the foot
- Replaceable co-injected TPU/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistance
- Replaceable heel plate slider design offers increased sliding performance and protection in the case of crash
- TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area
- Replaceable shin slider for additional abrasion resistance
- TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit
- Hook and loop closure secures the puller zip remains in position
- Micro adjustable ratchet closure on top of boot for an optimized fit
- Main upper material constructed using microfiber with a dedicated laser perforation zone for optimum breathability and abrasion resistance, while also delivering high levels of flexibility
- Front flex area for improved impact abrasion while also ensuring the natural front and back
- Front flex area increases ventilation and airflow for additional breathability
- 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
| Brand | ALPINESTARS |
|---|---|
| Category | Footwear |
| Size | US 4 / EU 37, US 5 / EU 38, US 6 / EU 39, US 6.5 / EU 40, US 7.5 / EU 41, US 8 / EU 42, US 9 / EU 43, US 9.5 / EU 44, US 10.5 / EU 45, US 11.5 / EU 46, US 12 / EU 47, US 12.5 / EU 48 |
| Country of origin | Vietnam |
Part numbers by option
Each size is a separate manufacturer part. Pick your size above and we ship that exact part number.
| Size | Part number | UPC | Shipping weight |
|---|---|---|---|
| US 4 / EU 37 | 3401-1152 | 8059347472775 | 5.9 lb |
| US 5 / EU 38 | 3401-1153 | 8059347472782 | 5.9 lb |
| US 6 / EU 39 | 3401-1154 | 8059347472799 | 6.0 lb |
| US 6.5 / EU 40 | 3401-1155 | 8059347472805 | 6.1 lb |
| US 7.5 / EU 41 | 3401-1156 | 8059347472812 | 6.2 lb |
| US 8 / EU 42 | 3401-1157 | 8059347472829 | 6.65 lb |
| US 9 / EU 43 | 3401-1158 | 8059347472836 | 6.7 lb |
| US 9.5 / EU 44 | 3401-1159 | 8059347472843 | 6.75 lb |
| US 10.5 / EU 45 | 3401-1160 | 8059347472850 | 7.2 lb |
| US 11.5 / EU 46 | 3401-1161 | 8059347472867 | 7.3 lb |
| US 12 / EU 47 | 3401-1162 | 8059347472874 | 7.5 lb |
| US 12.5 / EU 48 | 3401-1163 | 8059347472881 | 7.6 lb |
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Free US shipping over $49
$9.95 flat rate under $49, free above it. Most orders dispatch within 1–2 business days and arrive 3–5 business days after that.
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Ships from five US warehouses
Your order leaves whichever warehouse is closest to you, which is what keeps transit times short across the country.
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Wrong size? Exchange or return it
Send it back within 90 days for a different size or a refund. It must be unworn, with all tags and labels. Return shipping is paid by the customer; there is no restocking fee.
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90-day returns, no restocking fees
Return any unused item in its original packaging within 90 days of delivery.
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Authorized dealer, genuine gear
Every item is sourced directly from the manufacturer or their authorized distributor — this one from Alpinestars.
Measure yourself, then compare with Alpinestars's own chart below. Between two sizes? Send us your measurements and a specialist tells you which size to order.
Alpinestars footwear size chart
Size conversion; JP size is your foot length in cm. This model's US and EU sizes match this table. Source: Alpinestars' official footwear size charts (alpinestars.com).
| US | EU | JP / foot length |
|---|---|---|
| 3.5 | 36 | 22.5 cm |
| 4 | 37 | 23 cm |
| 5 | 38 | 24 cm |
| 6 | 39 | 25 cm |
| 6.5 | 40 | 25.5 cm |
| 7.5 | 41 | 26 cm |
| 8 | 42 | 26.5 cm |
| 9 | 43 | 27.5 cm |
| 9.5 | 44 | 28.5 cm |
| 10.5 | 45 | 29.5 cm |
| 11.5 | 46 | 30 cm |
| 12 | 47 | 30.5 cm |
| 12.5 | 48 | 31.5 cm |
| 13.5 | 49 | 32 cm |
| 14 | 50 | 33 cm |
What riders say
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Why buy from Riders Miami
Riders Parts is the parts counter of Riders Miami Motorsports — a full motorcycle dealership in North Miami Beach with a showroom and a service department. Not sure about a size? The team at the parts counter helps you pick one before you order.
Visit the dealership (opens in a new tab)- A real dealership Riders Miami Motorsports: showroom and service department at 1926 NE 154th St, North Miami Beach, FL.
- Ships from 5 US warehouses Dispatched from whichever of our five US warehouses is closest to you, in 1–2 business days.
- Help with sizing Send the size you wear in another brand, or your measurements, and we tell you which size to order.
- Talk to a person +1 645-239-3174 · parts@ridersmiami.com · Mon–Sat 9–7, Sun 10–5.