Depends on the water temperature.
From simple speedo (tropical water) to rash guard or 3mm neoprene short sleeve rash guard.
Sometime I add technical short pants over the suit to have pockets - they also add a small contribute to thickness...
From simple speedo (tropical water) to rash guard or 3mm neoprene short sleeve rash guard.
Sometime I add technical short pants over the suit to have pockets - they also add a small contribute to thickness...