The performance running shirt for speed runs. Reduced to the maximum, it combines ultra-light protection with breathability and freedom. Reduced to the maximum Thanks to Swiss Engineering, the Performance-T is up to even the most demanding sporting challenges. It is made of a functional fabric mix and has a reduced design that makes it extremely lightweight. Completely taped, completely seamless - as if you were wearing nothing at all. The protection you need, in a design that everyone wants.