0 loose informal trousers that fit tightly around the ankles, are often made of thick cotton, and are worn for running or are in the style of trousers designed for running:
When last seen she was in grey jogging bottoms, a fleece jacket and brown boots.
I struggled out of bed and put on my unflattering jogging bottoms and sweatshirt.
I'm feeling slightly self-conscious in my pink jogging bottoms.