All-new for 2026, the Techstar Knif Jersey is Alpinestars' most advanced off-road jersey, engineered to provide the optimal blend of high-level competition performance and long-term durability. Featuring a body-mapped poly-fabric stretch chassis with strategic laser-cut ventilation, it delivers superior moisture management and unrestricted mobility on all terrain. The seamless construction and ergonomic race fit ensure maximum rider comfort and a secure fit during aggressive riding.

Key features

Athletic Race Fit and Ergonomic Design: Lightweight construction featuring an updated multi-material chassis with body-mapped poly-fabric stretch and ergonomic inserts for premium mobility and enhanced rider comfort.
Optimal Ventilation: Strategically positioned laser-cut perforations on the chest and arms provide additional airflow and optimum ventilation during high-intensity riding.

Protection

Lightweight, highly durable stretch fabric construction for enhanced abrasion resistance and long-lasting performance.
Moisture-wicking treatment provides superior comfort during high-intensity competition.
Ergonomically engineered racing multi-panel pattern optimized for maximum freedom of movement and rider mobility.
Strategically positioned laser-cut perforations on the chest and arms for targeted ventilation and airflow.
Integrated stretch inserts provide superior flexibility in key movement zones.
Flat stretch construction on arms and shoulders increases range of motion for better bike control.
Innovation-driven design with no side or underarm seams to eliminate pressure points and maximize rider comfort.
Seamless bonded collar and cuffs reduce skin irritation and ensure a secure, distraction-free fit.
Extended rear profile ensures full coverage in the riding position and seamless compatibility with Alpinestars MX pants.

Construction

Constructed from a lightweight, highly durable, stretch poly-fabric with a moisture-wicking treatment.
Ergonomically engineered racing multi-panel pattern.
Laser-cut perforations on the chest and arms for ventilation.
Strategically positioned stretch inserts.
Flat stretch construction on arms and shoulders.
Innovative build with no side seams and no underarm seams.
Seamless bonded collar and seamless bonded cuffs.
Extended rear design for compatibility with Alpinestars MX pants.