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December 12

Five-Toe Socks Day

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What Is Five-Toe Socks Day?

December 12th is "Five-Toe Socks Day" in Japan. It was established by Rasante Co., the original specialist retailer of five-toe socks, and certified by the Japan Anniversary Association in 2013. Its purpose is to promote five-toe socks as breathable and comfortable to wear.

Born in Spain, Redesigned in Japan

Five-toe socks originated in Spain in 1970. They were reworked into the well-balanced, easy-to-wear form used today by a Japanese maker.

  • Origin: created in Spain in 1970
  • Redesign: Yoshihiko Idobata, chairman of Rasante, reshaped them for better fit and balance
  • Origin of the date: Idobata filed a utility model application on December 12, 1974
  • A second reason: the date falls near Christmas, making the product a fitting gift

Why Separated Toes Stay Drier

When each toe is wrapped separately, the toes no longer press directly against one another. Sweat is absorbed into the fabric more readily, which is the basic idea behind the design. In winter, moisture inside shoes dries slowly and can leave feet cold, so these socks tend to be chosen more often in this season.

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Tips for Marking This Day

  • Try a pair of five-toe socks and compare how they feel
  • Count your socks, check them for wear, and consider replacing some
  • Rethink how you keep your feet warm
  • Consider socks as a small gift

When the Cold Starts at Your Feet

December is when cold feet become noticeable. With Christmas close, socks are a common gift too. The 12th is a day to look down and take stock.

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Read next: Other Anniversaries on This Day (December 12)

December 12 - View all →
Next Day: Anniversaries on December 13 Vitamin Day / Shogatsu Kotohajime / Susuharai (Start of New Year Preparations / Soot Sweeping Day) / Twins Day See next day's anniversaries →
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PR すぐに役立つ366日記念日事典
PR 死の記念日