New Hampshire (1924)

As I've probably noted ad nauseam in earlier posts, most college football teams used one jersey for home and away until the 1940s. If teams with similar color schemes faced each other, it could make for a rough time identifying your teammates; a QB throwing to someone he thinks is his receiver turns out to be a defensive back for the bad guys, running the pass back for a pick-six. 

Some teams did make an effort to diffuse the confusion. In the 1920s, normally blue-clad UConn wore orange jerseys. New Hampshire, a frequent foe of UConn, took a different tact, wearing white vests over their blue jerseys. Think of them as the 1920s equivalent of those smelly pinnies you wore at soccer practice or in gym class.

UNH takes on Maine in 1924; note the white vests on the UNH players.
This is from the 1926 Granite yearbook; click on the links below for better photos.

UNH (the "Wildcats" nickname didn't come until 1926) donned this DIY look for at least two games, against Maine in '24 and UConn in '25 (guess the team didn't get the message about UConn's orange duds). Some of the white jerseys had friction strips, as was the custom in the 19320s. This link will lead you so some more photos of the '24 team in the "regular" unis, some of which had bulky squares on the front, whose material helped keep the football nice and snug when carrying it.

Cy Wentworth, one of the early legends of UNH football.

New Hampshire went a combined 11-3-2 in 1924-25, winning the semi-official New England Conference in '25. The star of the team was senior Shirley "Cy" Wentworth, a running back/end who scored 11 touchdowns and 85 points in '24 (eye-booing numbers even today), and finished his career with 166 points, including 37 against Lowell Tech in 1923, a single-game record that still stands. (Funny bit: The link on the 1924 team's Wikipedia page takes you to another Cy Wentwoth, an NHL star from the 1930s.) 

Cy went on to play for the Providence Steam Roller and the Boston Bulldogs, two teams from the NFL's Mesozoic era, and was a charter member of the UNH Hall of Fame in 1982.

One last bit: The helmet color in the graphic above is a wild guess. I have them as tan/brown, but they may very well have been blue. The answer is likely lost to history.