Tom Brady is wearing a scuba suit under his jersey because it’s too damn cold – SB Nation January 1, 2018 Scuba Diving SB Nation Tom Brady is wearing a scuba suit under his jersey because it’s too damn cold SB Nation It’s an interesting decision to wear a wetsuit because it’s unclear exactly how much warmer it would be than standard gear. Wetsuits work in diving by trapping a thin layer of water next to the diver’s body, which is then heated to body temperature by …