Since 1949, the Giants have worn blue helmets, royal blue or red home jerseys, and white road jerseys accented by blue, red, or a combination of both. Their uniform pants (with the exception of a blue road version in the late 1970s) have alternated between white or gray with various combinations of blue and red striping. Currently, the team wears uniforms that are based on Giants designs of the late 1960s and early 1970s as well as the late 1950s and early 1960s: blue helmets and jerseys with white pants and blue socks at home, and blue helmets, white jerseys with gray pants and red socks on the road.
Prior to 1953, the Giants wore red jerseys for most home games. From 1937 through 1952, the typical Giants home uniform consisted of solid red or blue jerseys with white block numbers, blue helmets, gray pants with red or blue socks, and black cleats. There were no designated "home" or "road" uniforms until 1957. A solid white jersey with blue block numbers, the inverse of the solid blue jerseys, replaced the red jersey in 1953. In 1954 the white jersey acquired red numbers and red Northwestern stripes (named after Northwestern University where they are believed to have originated) which consists of three parallel horizontal stripes, with the central stripe approximately double the thickness of the other two. gray pants with red socks, and black cleats. Red would not be featured as a primary home jersey color until the design was resurrected in the 2004 season as the Giants' official "alternate" jersey.

From 1953 through 1956 the Giants usually wore their white jerseys at home, including every home game for the 1954 season. Red socks were worn with the white jerseys and blue socks with the blue jerseys. The pants were solid gray without stripes.

In 1956, the team's first year in Yankee Stadium, the Giants wore white jerseys for most home games. These white jerseys, with their red numerals and Northwestern stripes, featured new red "TV numbers" above the stripes. These white jerseys were worn on the day of the team's 47–7 victory over the Chicago Bears in the NFL Championship game at "The Stadium."

In 1957 the NFL passed a rule stating all teams would have two jerseys in their uniform sets, one primary color and the other white. This season the blue jersey became the Giants standard home jersey.

Appearing on the Giants' helmets for the first time in 1957 were the players' uniform numbers. The two digits, in a small white Futura font, were placed to the left and right of the red center stripe on the back of the helmet in 1957, and at both the front and back of the helmet in 1958. (The first Giant player of cont…

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• Giants primary logo (1961-1974, 2000–present)
• Giants primary logo (1975)
• Giants script (1976–present), Giants primary logo (1976-1999)