Now when Simon Peter heard that it was the Lord, he girt his fisher's coat unto him, for he was naked, and did cast himself into the sea. Donning a coat is an odd way to prepare for a swim even especially! Working in the nude also seems to defy Jewish sensibilities. However, swimming in a coat just seems like a bad idea.
Matthew ESV - I was naked and you clothed me, I was - Bible Gateway
Pulpit Commentary Verse The visitation of the sick has become a common term among us. It implies properly going to see, though other ideas are connoted. Ye came unto me. It was easier in those days to visit friends in prison than it is at the present time.
Introduction, p The traits of character which have before met us are exactly preserved here. John, true to the life of contemplation, is first to trace in the present draught of fishes an analogy with the earlier one, and to discern that the Master who spoke then is present now.