There are different theories about the origin of pile socks. One theory is that they originated from boots and socks that were developed and manufactured in the United States to protect the legs during mountain climbing, while a more reliable one is that they were originally used as a tool for ballet dancers to keep their legs and ankles warm during practice and warm-up periods. For those who often need leg muscles, sock sleeves can effectively keep their legs warm and prevent muscle cramps.

During the fitness craze in the United States in the 1980s, the award-winning classic movie song "Flashdance" sparked a wave of fitness craze in North America, with every girl seemingly obsessed with fitness and almost every person holding a pair of stockings.

In the 1990s, the Gyaru/Kogal style, the original origin of subculture in Japan, became popular. Its iconic image was a "rebellious" and playful high school student, dyed with golden hair, wearing a dazzling flip phone, wearing an improved high school uniform, and unrolling the skirt and tie. Of course, the socks were loose and could even be unfolded up to 200 centimeters (but usually around 120 centimeters).

Some people say that the founder of this style is Kogals, who believe that thick socks paired well with mini rolled up pleated skirts and uniforms (another key feature of the Spicy Girl identity) can make legs more slender. Also, it's because Japanese girls wear pile up stockings when wearing mini skirts in winter, keeping warm while not sacrificing comfort.

The most likely reason is that Japanese schools had very strict dress code requirements in the 1990s, with very specific requirements for skirt length, hair color, etc., but surprisingly loose socks. This led girls to focus on the matching of socks, resulting in rebellious pile up sock styles.

In the following 2000 years, pile socks became a popular symbol of the Y2K style during the millennium, achieving a cross-cultural intersection and crossing multiple styles and schools.

Since 2020, the most important keyword in the fashion industry has been millennium retro. Trends from different eras have gradually returned in the past two years. Among various popular trends, pile socks, which were once popular in the millennium, have made a comeback with the influence of Y2K, reshaping and re creating fashion trends. And together with the popular ballet style this year, more fashionable combinations are collided.

With the continuous improvement of aesthetics and the gradual extroversion of personality, stacking socks has gradually become a fashionable tool for female celebrities to create eye-catching shapes. During Jenny's world tour, she used a combination of tulle skirts, pile up stockings, and Mary Jane's shoes to showcase the styles of different pile up stockings. Through the same color scheme of ballet style, she interpreted the fashionable attributes of pile up stockings based on ballet style, becoming a girl's fantasy that surpasses real fairy tales, shaping a cute yet sweet and spicy look. The new generation of street photography queen Bella has also repeatedly piled up socks this year to create a fashionable look that breaks away from the regular mode. By pairing pile socks with street sports fashion and sneakers, a retro tone permeates every move, highlighting the elements of street sports and becoming more neutral, effortlessly creating a healthy and energetic new sock outfit.

The popularity of the Y2K trend has brought retro elements back to the fashion stage, and as one of the fashion items, sock sleeves integrate retro and avant-garde design elements, quickly winning the favor of the fashion industry. The Thom Browne 2023 Spring/Summer women's clothing collection brings us to the opera, featuring dramatic ballet shoes, clear sheer pants, voluptuous stockings, unique polka dot floral details, and a combination of academic or childlike colors, creating a magnificent and classical fantasy for us. Under the designer's imaginative design, it is full of drama and romance.

Marques' Almeida also showcases a new aspect of stacking socks in its design context this season. The eye-catching abstract cutting and highly visually impactful colors, exaggerated silhouettes and avant-garde visual taste of work material pile socks, are a luxurious ode to Generation Z, a blend of fashionable princesses and technology enthusiasts, and an undisguised joy.

In the Sandy Liang 2023 Autumn/Winter collection, Balletcore inspired the fashion industry to love bows, ballet stockings, and pointed shoe style flats. This season, while continuing ballet aesthetics, the brand collided with another core element to create a new aesthetic spark - pageant core. Through elements such as black silk stockings and thick knitted leg protectors, the nostalgic atmosphere of the 1990s is interpreted and an irresistible girlish sentiment emanates.

Amidst various popular trends, piles of stockings imbued with rich millennium trend imprints. Through daily street photography and the interpretation of various fashion icons, fashion is created and spread among Generation Z women.