Answer: He played his final round in pantyhose
Although the temperature for the 1980 Sunday round was 50 degrees, wind was gusting up to 40 miles per hour and the chill factor was a sub-freezing 16. For extra protection, Eichelberger put on a pair of pantyhose, and it worked: While others shot in the mid-80s, Eichelberger turned in a 74 to win by three.