11.11: Japan's Socks Day meets China's Double 11

Two pairs of socks laid side by side look like "11 11". That is the whole reason Japan celebrates Socks Day on 11 November, and it is a better origin story than most shopping holidays can offer. On the same date China holds Double 11, the largest online sale in the world. For anyone who buys tights, the two days ask the same question from opposite ends: what is a pair worth? Here is what is actually on offer in 2026, verified at the source, and what a reader in Europe or the US can buy.

Socks Day: a date chosen by the hosiery industry

The Japan Hosiery Association (日本靴下協会), the trade body of Japanese sock and legwear makers, set up くつしたの日, Socks Day, in 1993. In the words of Atsugi's announcement, socks "do their job as a pair", and two pairs side by side form the shape of "11 11"; the association also calls it "The Pairs Day". Zatsuneta, the Japanese almanac of anniversaries, gives the same date and the same reason. The association still runs the day: an official Instagram account, a TikTok account opened in July 2026 where member companies take turns posting (with a monthly sock giveaway open only to residents of Japan), and every autumn some kind of campaign.

This year the campaign is a pop-up store at Atre Kawasaki, the station mall in Kawasaki, from 3 to 15 November, 10am to 9pm. Atsugi has confirmed it is taking part with Atsugi COLORS, its 80-denier colour tights line, which now counts 20 shades (we covered the six new ones in our piece on Atsugi's winter). Atsugi's announcement mentions no discount at the pop-up, so we do not promise one.

Atsugi COLORS, the line on sale at the Socks Day pop-up. Courtesy of Atsugi.

The verified Japanese deals

As of 9 November, four November offers around the date are written down by the companies themselves (Kurashikinu's and Fukuske's carry the Socks Day name):

• Atsugi, own stores, 1–30 November: bring in old legwear (stockings, tights, socks, leggings, leg warmers, any brand, washed) and get a ¥500 coupon for every ¥3,300 spent, usable the same day, until 30 November. It runs in Atsugi's six own stores (Sapporo Poletown, Minamimachida Grandberry Park, Kyoto Porta, Daimaru Shinsaibashi, Tennoji Mio, Crysta Nagahori).
• Kurashikinu, 1–11 November: the silk and natural-fibre brand from Kurashiki takes 11% off selected socks and leg warmers until 1pm on 11 November, online and in its Kurashiki store. No tights in the list.
• Fukuske, online store, 6–12 November: a "Socks Day sale" (くつしたの日セール) with 10% off its socks, from 11am on 6 November to 10:59am on 12 November, Japan time. Socks only: we found no tights among the 383 items on sale.
• The association's pop-up in Kawasaki, described above.

For Tabio and Gunze we found no 2026 Socks Day announcement by 9 November. Tabio's last Socks Day press release dates from 2023, when it supplied the prize socks for the association's contest. Meanwhile, Tabio's feed shows the kind of pair the day is about: thin worsted-wool socks, worn with pumps.

Tabio also sells tights, and its Premium Tights in 80 denier (No. 011908001, ¥1,320) are the brand's own answer to the Atsugi COLORS rack.

Double 11: the biggest sale in the world

In China, 11/11 began as Singles' Day, a student joke usually traced to Nanjing University in the 1990s, built on four ones standing alone. Alibaba turned it into a 24-hour sale in 2009 and later registered "双十一" (Double 11) as a trademark. Today it is a season rather than a day. According to Inside Retail Asia, JD.com opened its campaign on 12 October 2026, Tmall opened presales on 15 October and runs in-stock sales until 13 November, and the analytics firm Syntun estimated last year's Double 11 at RMB 1.695 trillion (about US$238 billion) across Chinese platforms. Tmall has replaced its old "spend RMB 300, save RMB 50" vouchers with a flat instant discount per item; Douyin is applying an official 15% cut. Taobao is also running Double 11 in 20 markets outside China.

Tights have their own Double 11 champion: 光腿神器, literally "bare-leg miracle", fleece-lined tights with a skin-tone base and a sheer layer on top, so that a thermal pair reads as a bare or sheer leg. In 2023, Jiemian reported that one specialist brand, Xiaoyehezi, ranked ninth among lingerie stores on Tmall's full-period Double 11 list. We explain how they work, and how to choose them, in our guide to fake sheer tights. Japan has its own version, Atsugi's Fake Tights.

What to buy on 11.11 from Europe or the US

Tmall and Atsugi's web shop are Japanese- and Chinese-language sites. For readers outside Asia, the 11.11 options are narrower:

• AliExpress 11.11, 1–18 November. In a press release distributed on 30 October, AliExpress lists the sale window and a ladder of fixed-amount codes. It also says eligibility, currency and limits are decided at checkout, so the code you see is not a promise. This is where most Chinese fleece-lined tights reach Europe; search "fleece lined tights fake translucent" and check the denier of the outer layer and the size chart.
• Amazon. We found no official Amazon 11.11 event on amazon.com. The pairs in the box above are real, in stock as of 9 November (the two Atsugi pairs with only a few left) and relevant: a best-selling fleece-lined "fake translucent" pair (over 9,000 ratings), and two Atsugi ASTIGU tights imported from Japan. Prices change daily; compare on the day.
• Directly from Japan. Atsugi's Fake Tights (TL2060, ¥2,420) and the 25-denier ASTIGU Kuro (AP6003, ¥660) are on its online shop. The shop's guide sends international orders to the forwarding service WorldShipping BIZ and does not accept credit cards issued outside Japan.

Two rules hold for every 11.11 pair. Check the denier: a fleece-lined pair sold as "sheer" is warm because it is thick, and the real number is often 200 to 400. Check the base colour: the beige layer under the black decides whether the leg reads as skin or as grey. Our guide to thermal tights covers both.

The photos

The Atsugi COLORS and Fake Tights images come from Atsugi's press releases, published courtesy of Atsugi. The Instagram posts are embedded from the official accounts of Atsugi and Tabio. The cover illustration is ours.

Two pairs side by side, a date that looks like them: the cheapest way to celebrate 11.11 may simply be to wear one pair properly.