DESCRIZIONE
A pass-through connection for a wall of a drysuit, comprising, a port comprising, a first, exterior port portion encircling a depending cylindrical flange defining a passage through at least a portion of the port and encircling a longitudinal axis of the passage, the first port portion having an exterior end with a first cylindrical recess that encircles and opens onto the passage, the first port portion having two bosses each extending over a different one of opposing sides of the first cylindrical recess to form an undercut below each boss, the two bosses not extending over the passage, the depending flange extending through a hole in the wall of the drysuit which hole is within a periphery of the first port portion; a second, interior port portion encircling the depending flange and connected to the depending flange to form a fluid tight connection, the first and second port portions having at least one rib on one port portion encircling the passage and at least one corresponding recess on the other port portion to form a labyrinth seal path encircling the passage, with the wall of the drysuit passing through the labyrinth seal path and the port portions being fastened together to clamp the wall between the first and second port portions to prevent the passage of at least water through the labyrinth seal during use of the port; and a wavy spring in the first recess.