
Flex-AST Canvas Pants
urban contemporary | pants
Due to regulations for transport of dangerous goods by air (IATA) and road (ADR), consumers are not permitted to ship Tech-Air® products themselves for return or servicing. In the event of a return or service request you must therefore deliver the goods in person to one of our Tech-Air® Hubs. Please ensure you first contact our Customer Care team to receive confirmation of the correct Hub and approval before visiting.
Tech-Air® Hubs are currently available in select countries. Additional locations across Europe will be launched soon.
Please use the map below to find your closest Tech-Air® Hub.
By purchasing a Tech-Air® product on the Alpinestars website, you acknowledge and accept this return policy. If you still decide to ship your Tech-Air® product as a return, Alpinestars Spa will not be held responsible for the transit of such goods and will not accept them as returns. For this reason, no refund will be issued.
For any questions, feel free to contact our Customer Care team before making your purchase.
CE-Certified Garment
A Class
Description
Engineered for urban riders, the Flex-AST Canvas Pants blend heritage-inspired workwear styling with moto-specific protection and performance. Constructed from stretch polycotton twill with an ergonomic moto cut, they feature CE Level 1 Nucleon Flex Plus knee armor and Bioflex hip armor. Certified as a CE Class A garment, they deliver a clean, utilitarian look with all-day comfort and proven protection.
Key Features
Protection
Construction
Shipping & Returns
- Free shipping above 100 €
- Free 30 day exchanges and returns
Complete the look
Compatible Protection
Flex-ast Canvas Pants
Ergonomic Ride Fit
Refined Details
Tailored Modern Style
Customizable Protection
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Frequently asked questions Hide FAQs
Are the Flex-AST Canvas Pants CE certified?
Yes, the Flex-AST Canvas Pants are certified as a CE Class A garment. They include CE Level 1 Nucleon Flex Plus knee armor and Bioflex hip armor, providing proven protection that meets European safety standards for urban motorcycle riding.
What type of riding are these pants designed for?
These pants are engineered specifically for urban motorcycle riders. They combine workwear-inspired styling with moto-specific protection, making them ideal for city commuting and street riding where you want a clean, casual look with integrated safety features.
Do the Flex-AST Canvas Pants have stretch fabric?
Yes, they're constructed from stretch polycotton twill with an ergonomic moto cut. This provides flexibility and freedom of movement for riding while maintaining the durability and classic appearance of canvas workwear.
Can I wear these pants off the bike?
Absolutely. The Flex-AST Canvas Pants feature a heritage-inspired workwear design that looks like regular casual pants. The armor is low-profile and the styling is utilitarian, making them suitable for wearing both on and off the motorcycle without looking overtly like riding gear.
What protection comes with the Flex-AST Canvas Pants?
The pants include CE Level 1 Nucleon Flex Plus armor at the knees and Bioflex hip armor. Both protection zones use flexible, impact-absorbing technology that conforms to your body while meeting CE certification standards for motorcycle protective garments.

















