The boots were reinforced with extra soles and stuffed with material to either make them warmer or improve their fit, ITV reported.
Researchers at MOLA Headland believe the man may have made his living from the river and could have died in an accident, the television station reported. Grooves on the man's teeth also suggest he worked near the water, as it's possible he was passing rope between his teeth, researchers told the Evening Standard .
The position of the skeleton -- with his arm above his head -- also suggests he might have fallen, researchers told the newspaper.
“These clues could suggest that he fell or drowned and was covered quickly by the ground as it moved with the tide,” a MOLA Headland official told the newspaper. “Our osteological experts have not identified evidence of any injuries at the time of death or a cause of death.”
In the 15th and 16th centuries, this area of the Thames -- located about 2 miles downstream from the Tower of London -- contained many wharves and warehouses, National Geographic reported. The Bermondsey Wall, a 15-foot earthwork, protected residents and property from tidal surges, the magazine reported.