Funktion training suit Functional training suit made from high-quality 100% polyester with an inner mesh lining to add to its overall breathability. Jacket has smart touches like diagonal zippered pockets, elastic cuffs and high-quality, narrow elastic at the hem while the pants have a generous cut and feature elastic waistband with drawstring and open leg cuffs. Special feature: Mesh inserts at the hollows behind the knees, both sides of the chest, along the forearms as well as the sides give you improved ventilation and functionality – and all that at a fair price.