in shirtsleeves


in (one's) shirtsleeves

Wearing a shirt without a jacket of some kind over it. Winters in this part of the country are so mild that we can usually stroll outside in just our shirtsleeves. By the end of the evening, all the men had shed their suit jackets and were socializing in shirtsleeves.See also: shirtsleeve

in (your) ˈshirtsleeves

wearing a shirt without a jacket, etc. on top of it: Even though it was the middle of winter, it was so hot in the office that we were all in our shirtsleeves.See also: shirtsleeve