The Alpinestars Techstar Knif line combines performance, durability, and comfort to meet the demands of top-level motocross riders. Designed for advanced competition on all terrains, the Techstar Knif jersey features a lightweight and breathable multi-material construction, offering maximum ventilation and exceptional elasticity for optimal freedom of movement and a precise, race-inspired fit.

Techstar Knif athletic-cut running jersey with an ergonomic design for superior mobility and comfort.
Multi-material stretch poly-fabric main chassis for optimal performance and durability.
Ergonomic stretch inserts provide maximum freedom of movement.
Strategically placed laser perforations for optimal ventilation and airflow.

Lightweight, stretchy, and durable fabric with moisture-wicking treatment for superior comfort and performance.
Ergonomic fit and race-optimized multi-panel design for maximum freedom of movement.
Laser-cut perforations on the chest and arms for optimal ventilation.
Strategically placed stretch inserts for increased flexibility.
Stretch construction on the arms and shoulders for a superior range of motion.
Seamless side and underarm design for exceptional comfort.
Glued, seamless collar and cuffs for a soft feel and easy on/off.
Extended back for better coverage and perfect compatibility with Alpinestars MX pants.