Thanks to their innovative design

An ergonomic insert optimized for performance riding

The front and side pouches are removable if desired

plus a removable thermal liner consisting of 100g torso insulation with 60g insulation on the arms – excellent for dialing in the appropriate amount of year-round climate control for the rider based on the riding conditions

and delivers high levels of protection thanks to its advanced MotoGP-derived SP dual density knuckle

techstar knif jersey Color:Black White Red Thanks to their innovative designAll new for 2026, the Techstar Knife Jersey is Alpinestars' premium off road competition jersey, engineered for advanced level performance on all terrain. Featuring a body mapped, multi material stretch chassis with laser cut perforations and moisture wicking treatment, it delivers superior ventilation and unrestricted mobility. The ergonomic race fit and seamless bonded construction ensure maximum rider comfort and durability during high intensity