Trainer 3.0 Jacket Men Free and the back panel is

and the back panel is slightly thicker material than the front to avoid transparency and increase durability

This is very comfortable on cold days and before you have warmed up

The seams and openings of the pockets are reinforced as these parts are exposed to wear and tear

has good ventilation and is very flexible and comfortable

as well as other reflective details

Trainer 3.0 Jacket Men Free and the back panel isA light and versatile training jacket with good stretch in the sides and under the sleeves, which makes the jacket flexible and comfortable to wear even when doing bigger movements. The training jacket is wind and water repellent and has a ventilation panel on the back for greater temperature control even for higher intensity activity. These features make the Trainer suitable for activities such as running, orienteering and shorter mountain hikes.?