New Model Release: "Hakanai Kutsushita" – A New Form of Socks
NAIGAI Co., Ltd. has launched an improved model of "Hakanai Kutsushita SUASiC JP (Made in Japan)," a new sensation sock worn inside shoes. This model aims to provide a barefoot feel while alleviating common sock issues like stuffiness and slipping, offering enhanced comfort. The improved version features higher cotton content for better absorbency, an uneven surface pattern, and silicone processing on the back for a stronger fit. It also introduces new products compatible with sandals, expanding its versatility beyond pumps and sneakers to suit more diverse lifestyles.
📋 Article Processing Timeline
- 📰 Published: May 11, 2026 at 20:13
- 🔍 Collected: May 11, 2026 at 11:31
- 🤖 AI Analyzed: May 12, 2026 at 04:37 (17h 5m after Collected)
NAIGAI Co., Ltd. (Headquarters: Akasaka, Minato-ku, Tokyo; Representative Director and President: Kenji Imaizumi) has launched an improved model of "Hakanai Kutsushita SUASiC JP (Made in Japan)," a new sensation sock worn inside shoes. "Hakanai Kutsushita" was developed with the concept of "a barefoot feel as if not wearing socks," aiming to alleviate traditional sock issues such as stuffiness and slipping while achieving comfortable wear.
The improved model has evolved to support more diverse lifestyles by increasing the cotton ratio to enhance absorbency, strengthening the fit with an uneven surface pattern and silicone processing on the back, and newly adding products compatible with sandals in addition to pumps and sneakers.
◆Ladies
◆Men's
■ Key Improvement Points
This product incorporates multiple functional improvements based on anticipated user scenarios.
By knitting heat-fusion yarn, the fabric gains appropriate firmness, improving ease of handling during wear compared to conventional models.
Enhanced absorbency through a material design with a higher cotton ratio. This maintains a dry and comfortable feel even during sweaty seasons or prolonged wear.
An uneven pattern is applied to the surface, and silicone processing is adopted on the back, further improving contact with the sole of the foot, suppressing slipping inside shoes, and achieving a stable fit.
■ Expanded Usage Scenarios with Increased Shoe Compatibility
Previously, it was primarily designed for use with pumps and sneakers, but this improved model newly adds product numbers compatible with sandals. This allows for seamless use with light spring/summer outfits, supporting a wider range of coordination.
It supports daily foot environments by providing "barefoot comfort" in various scenes, both on and off duty.
The improved model has evolved to support more diverse lifestyles by increasing the cotton ratio to enhance absorbency, strengthening the fit with an uneven surface pattern and silicone processing on the back, and newly adding products compatible with sandals in addition to pumps and sneakers.
◆Ladies
◆Men's
■ Key Improvement Points
This product incorporates multiple functional improvements based on anticipated user scenarios.
By knitting heat-fusion yarn, the fabric gains appropriate firmness, improving ease of handling during wear compared to conventional models.
Enhanced absorbency through a material design with a higher cotton ratio. This maintains a dry and comfortable feel even during sweaty seasons or prolonged wear.
An uneven pattern is applied to the surface, and silicone processing is adopted on the back, further improving contact with the sole of the foot, suppressing slipping inside shoes, and achieving a stable fit.
■ Expanded Usage Scenarios with Increased Shoe Compatibility
Previously, it was primarily designed for use with pumps and sneakers, but this improved model newly adds product numbers compatible with sandals. This allows for seamless use with light spring/summer outfits, supporting a wider range of coordination.
It supports daily foot environments by providing "barefoot comfort" in various scenes, both on and off duty.