What should I order off of my schools clothing orderform? Sweatpants or Trackpants?

Need advice on what I should order from my schools orderform pantwise. I want a pair of pants that represent my school. We have trackpants and sweatpants. The trackpants come in navy and have property of STA written horizontally on the left leg. The sweatpants come in either navy or grey, have STA written in dark green lettering down the left leg and also have the OPTION of getting "Thunder" written across the . What should I order?