Breathable thermal layer for athletic tours: lightweight vest padded with innovative Polartec Alpha. A combination of stretchy outer and inner fabrics with high-stretch insulation provides unbeatable freedom of movement paired with excellent thermal properties. Highly breathable Polartec Alpha also ensures an excellent microclimate. The Bluesign standard guarantees environmentally friendly materials. This product features Eco Finish, a flourocarbon free (PFC-free) textile finish that provides environmentally friendly water repellency.