What are Argyle socks? Materials and more to know as Luigi Mangione reportedly receives heart-shaped note smuggled inside jail

Argyle socks are patterned stockings characterized by their unique diamond patterns and intersecting lines. Argyle sock patterns have their roots in Scotland and were originally inspired by Clan Campbell of Argyll's tartan designs. These socks have since evolved to become a fashionable trend across the globe.

Argyle socks made the news recently in a new context. Luigi Mangione, a defendant in the killing of UnitedHealthcare CEO Brian Thompson, was found with heart-shaped notes concealed within a pair of these socks. This event has called into question court benefits and security protocols.

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The brief history of Argyle socks

These socks have a characteristic pattern of diamonds and intersecting diagonal lines. The pattern has origins in 17th-century Scotland, where it was associated with the Campbell clan. It later gained popularity in England and was linked with golf and black-tie wear.

The socks are frequently used in casual as well as business purposes. The bold color pattern of the socks makes them popular among fashionistas. Though initially they were constructed of wool, today the Argyle socks are manufactured using various materials according to various requirements.

Argyle patterns have also been applied to other fashion products. Sweaters, vests, and even accessories occasionally incorporate the familiar diamond shapes. Socks, though, are the most prevalent product featuring this pattern.

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What materials are used to make Argyle socks?

Argyle socks were normally made from wool. Wool was warm and could withstand the cold weather in Scotland well. Later, manufacturers added other materials for the sake of comfort and cost.

Today, most of these socks are manufactured from cotton. Cotton is smooth, airy, and comfortable enough for daily wear. Some manufacturers mix cotton with man-made materials such as polyester and nylon in order to increase durability and stretchiness.

The socks that are luxury retain the use of high-quality wool, such as merino wool and cashmere. These will offer additional warmth and softness but at a higher cost than cotton or synthetic material. Brands may also employ bamboo fibers, which provide antibacterial and moisture-wicking benefits.

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How did Argyle socks become involved in Luigi Mangione’s case?

According to the New York Post, Luigi Mangione's court appearance became a surreal experience when prosecutors disclosed that secret notes were discovered in his socks. The secret notes were found in the cardboard box containing the socks, which were issued by his defense team.

One of the notes urged Mangione to hold on and said that a lot of people stood behind him. Another note was directed to someone called "Joan." The sender's identity is still unknown. Authorities are trying to find out if the notes were an effort to send secret messages undetected.

Mangione refused to wear the socks in his February 21, 2025 hearing, saying he didn't like them. The incident sparked debate over privileges given to defendants in high-profile cases. Some say permitting Mangione to dress in civilian attire rather than a jail uniform gives him an unfair edge.

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Argyle socks have a rich history that dates back to Scottish heritage. They are characterized by diamond patterns and are produced using different materials such as wool, cotton, and synthetic fibers. Although they are typically a fashion accessory, they recently found themselves at the center of a legal dispute involving Luigi Mangione.

The finding of secret messages within Mangione's socks has brought security in courtrooms into question. Authorities are still trying to determine the origin and purpose of the messages. In the meantime, the socks are still a classic fashion staple even if they played an unexpected part in this case.