I would recommend 5.11 pants 100%. If you live in an area where its predominately warm, look into the taclites. They have the same amount of pocket space and cargo area, but are a lot thinner so you won't heat up as badly. The regular 5.11 are thicker but work amazingly never had a problem with...
Honestly I highly disagree with having headsets in ambulances. I know many firedepartments have them in their fire trucks but that is a completely different ballgame. In an ambulance you always have a patient and if youre wearing a headset its not going to help the patient at all and then...