Shirts and ties are not practical, unless in court....Investigating a crime scene an worrying about a stupid tie when leaning over a dead body, blood, evidence etc..is NONN SENSE and an old way of thinking.... Kahki's and golf shirt is perfectly fine, especially when it's 100 degree. What you see on TV is Detectives getting called in to investigate murders..so if I am out at the mall or eating with my family....I will arrive wearing what I have on..not going home to change and waste an hour plus...I