The track suit is composed of two pieces, a bottom and a top.
It started to be used in the XXth century by athletes and it was made of a heavy cotton and/or synthetics fibers.
The pants hemline is on the ankle and its waistband has an elastic band or frilled with a string.
The top usually has long sleeves.
In the 1970s, when exercising became fashionable, the costume was incorporated into women wardrobe.
On the cover of the post we can see a track suit made by Adidas.
Bibliography: Callan, Georgina O’Hara; Enciclopédia da Moda: De 1840 À Década de 90: Companhia das Letras, 2010.