his/her/your jacket
Tom se quitó su chaqueta de cuero y se sentó.
Tom took off his leather jacket and sat down.
Tom está cosiendo su chaqueta.
Tom is sewing his jacket.
Tom siempre tiene algo de aspirina en el bolsillo de su chaqueta.
Tom always has some aspirin in his jacket pocket.
Don't forget your jacket.
¿Tenía la intención de irse sin su chaqueta?
Was he planning to leave without his jacket?
Tom se desabrochó su chaqueta.
Tom unbuttoned his jacket.