Alpinestars Flex-Ast 5 Denim Black Washed Motorcycle Jeans
Flex-AST 5 Denim - Urban look, motorcycle protection for everyday use
Jeans that go everywhere, but leave nothing to chance
It's possible to ride protected without looking like a GP racer. The Flex-AST 5 Denim from Alpinestars assumes a classic black jean look while incorporating the protection required for motorcycling. Lightweight, discreet and flexible, it's designed for everyday use, whether in town or out for a ride.
Its stretchy, single-layer construction exceeds CE abrasion-resistance standards, with no extra thickness. Inside, Nucleon Flex Plus Level 1 knee protectors can be adjusted in 3 positions to suit your body shape. It's also ready for optional Bioflex hip protectors.
With their regular tapered cut, they adapt to every style, from casual to urban biker. A true hybrid between lifestyle and technical equipment.
Technical specifications
| Features | Detail |
|---|---|
| Material | Single-layer denim (53% cotton, 30% polyester, 17% polyamide) |
| Lining | None - single-layer technical fabric |
| Closure | Zip + front button |
| Cut | Regular tapered, ergonomic |
| Certification | CE EN 17092 - Class A |
Advantages & Care of Flex-Ast 5 Jeans
- Technical Advantage :
Abrasion resistance 20% higher than CE requirements, without sacrificing lightness. - Style/Practical Advantage:
Modern tapered straight fit, deep pockets, classic denim finishes. Looks like jeans, but protects you too. - Compatibility Advantage:
Compatible with Bioflex CE Level 1 hip protectors. Pockets are already integrated, just add.
Care :
Wash inside out at 30°C. Remove protectors before washing. Do not tumble dry. Gentle ironing possible. Canvas stands the test of time and develops an elegant patina.
FAQ
Are these jeans rigid?
No, thanks to the mechanical elasticity of the fabric, they remain flexible, even with the protections in place.
Do they heat up in summer?
No. They're more breathable than classic motorcycle jeans with lining, perfect for mid-season and mild days.
How do they fit?
Regular fit, slightly tapered. If you're hesitating between two sizes, choose the one you take in standard jeans.
The iCasque touch
At iCasque, we know that a good pair of motorcycle jeans is one you want to wear every day, not just when riding. The Flex-AST 5 Denim ticks all the boxes: looks, comfort, protection. Put them on, ride, walk, live.
- Brand :
- Alpinestars
- Model :
- Flex-Ast 5 Denim Black Washed
- Style :
- City, Street
- Colour :
- Black
- Gender :
- Man
- Best uses :
- Urban, Extra Urban
- Material :
- Textile, Denim
- Season :
- All seasons
- Cut :
- Curved
- Protections (General) :
- Knee
- Removable protection :
- Yes
- Approvals :
- European standards

















