Expertly developed for the 2026 collection, the Techstar Knif Jersey is Alpinestars' premier off-road competition garment, engineered for advanced-level performance on all terrain. The multi-material construction features a body-mapped stretch chassis with laser-cut perforations and moisture-wicking synthetic fabrics for superior ventilation. This race-fit jersey delivers maximum freedom of movement and rider comfort through a seamless side and underarm design.

Key features

Athletic Race Fit: Lightweight, ergonomic design featuring a body-mapped poly-fabric stretch chassis with integrated inserts for premium mobility and rider comfort.
Optimal Ventilation: Strategically positioned laser-cut perforations on the chest and arms provide increased airflow and superior breathability during high-intensity riding.

Protection

Lightweight, highly durable stretch fabric construction with moisture-wicking treatment for performance.
Ergonomically engineered cut and optimized racing multi-panel pattern for superior mobility.
Strategically positioned laser-cut perforations on the chest and arms for maximum airflow.
Integrated stretch inserts for enhanced freedom of movement in active riding positions.
Flat stretch construction on arms and shoulders for an increased range of motion.
Innovative side-seam-free and underarm-seam-free design to eliminate rider chafing.
Seamless bonded collar and cuffs for reduced bulk and increased skin comfort.
Extended rear profile for consistent coverage and secure integration with Alpinestars MX pants.

Construction

Lightweight, highly durable stretch fabric construction with moisture-wicking treatment.
Ergonomically engineered cut with optimized racing multi-panel pattern.
Laser-cut perforations strategically positioned on the chest and arms.
Integrated stretch inserts for enhanced mobility.
Flat stretch construction on arms and shoulders.
Innovative chassis design with no side seams and no underarm seams.
Seamless bonded collar and seamless bonded cuffs.
Extended rear profile for increased coverage in the riding position.