Before revision: Male greasers typically wore loose work pants such as cotton twill trousers, common among the working class; dark slacks, or dark blue Levi's jeans, widely popular among all American youth in the 1950s.
After revision: this in factMale greasers typically wore loose work pants such as cotton twill trousers, common among the working class; dark slacks, or dark blue Levi's jeans, widely popular among all American youth in the 1950s.