Founded in 1963, Alpinestars is a global leader in motocross gear and motorcycle protective equipment. Known for innovation, their Tech 10 boots, riding jerseys, pants, and gloves combine performance, comfort, and safety. From pro racers to everyday riders, Alpinestars sets the standard browse Alpinestars motocross gear at BTO Sports.



















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In stock at an authorized US dealer. No marketplaces.
Questions about the Alpinestars Tech 5 Boots
Our gear team replies by email, usually within a day. Or call 805-777-7601.
What size Tech 5 boots should I get?
Go by the Alpinestars footwear size chart. The Tech 5 comes in US sizes 5 to 16. The chart converts them, for example US 10 is Euro 44.5 and US 16 is Euro 52.
Is the sole on the Tech 5 replaceable?
Yes. The Tech 5 has a dual-compound, replaceable outsole.
Is the Alpinestars Tech 5 waterproof?
Alpinestars calls it water-resistant, and no waterproof membrane is listed. The main material is water-resistant, and an extended PU synthetic gaiter helps seal out excessive water and dirt.
Is the Tech 5 CE certified?
Yes. The Tech 5 is CE certified as motorcycle protective footwear, according to both Alpinestars and our product listing.
How does the Tech 5 support your ankle?
With a biomechanical pivot. A medial-facing pivot system links the lower and upper boot.
What buckles does the Tech 5 use?
Polymer buckles with a memory ratchet. The closure uses a quick-release locking system with a self-aligning design for precise closure.
Our gear team replies by email, usually within a day. Or call 805-777-7601.
Alpinestars Footwear Size Chart (Mens)
| Euro | US | JPN |
|---|---|---|
| 38 | 5 | 24 |
| 39 | 6 | 25 |
| 40.5 | 7 | 25.5 |
| 42 | 8 | 26.5 |
| 43 | 9 | 27.5 |
| 44.5 | 10 | 29 |
| 45.5 | 11 | 29.5 |
| 47 | 12 | 30.5 |
| 48 | 13 | 31.5 |
| 49.5 | 14 | 32.5 |
| 51 | 15 | 33.5 |
| 52 | 16 | 34.5 |