I dive a 7mm neo dry suit. No undergarments. Just t-shirt, swim trunks, and socks. SS BP/W, SS STA, use a Stl HP120 or Stl HP100. Have 10lbs (5L 5R) ditchable in Zeagle pull pockets on waist and 6lbs (3L 3R) in pockets on my top cam band. 4lbs (2L 2R) ankles. (Salt Water) Not keen on heavy...