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🛫 【Certified Store on JOOM】
A trusted Japanese seller delivering high-quality products directly from Japan to the world!
📦 【Shipped from Japan】
Every order is packed with care and shipped promptly and securely.
🔍 【Japanese Quality Standards】
All items are inspected based on Japanese standards, regardless of the country of origin.
📒 【Manuals & Language】
Instruction manuals are typically in Japanese. We recommend using a translation or text-recognition app for your convenience.
🛍️ 【Product Origin & Specs】
Items are sourced for the Japanese market and may be manufactured in various countries. Please check compatibility with your local standards.
👍 【Support Our Store】
If you love your purchase, please "Follow" us and leave a review! Your feedback warms our hearts 💖
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👕【For Fashion & Apparel Items】
To ensure the perfect fit and prevent size-related returns, we offer a dedicated detail-update service:
🔻 How to Request: If the description lacks detailed measurements, simply add the item to your cart.
🔻 Update Process: We update descriptions sequentially. Please allow several business days for detailed size charts and material info to be added.
👉 We highly recommend waiting for the updated information before completing your checkout to ensure a perfect fit.
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⚠️【Attention! Please be sure to read before purchasing】⚠️
Does this product match the conditions below?
Please check carefully before placing your order.
🔌【Voltage Compatibility】
This product is designed for use in Japan and operates on 90–110V.
Using it with a different voltage may cause malfunction or damage.
🔌【Plug Type】
The plug type is Type A or Type B, which is standard in Japan.
You may need a plug adapter for use in other countries.
💡【Important Notes on Transformers and Adapters】
🔻 A transformer adjusts the voltage to match your device's requirements.
🔻 A plug adapter only changes the plug shape and does not convert voltage.
👉 Using only a plug adapter without a transformer may damage the product.
🚫【Disclaimer】
We are not responsible for any damage or malfunction caused by
improper use without a transformer.
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BS Fine, the "wearable bedrock bath," is made by shrinking the natural mineral "black silica" to a diameter of 3/10,000 mm.
This is a new material encapsulated in polyester fibers with a diameter of 3/1,000 mm.
The core-sheath structure encapsulates "black silica" in the fibers, so the minerals do not dissolve even after washing.
It will not peel off or fall off.
In addition, the "wearable bedrock bath" BS Fine uses "black silica" to warm the body itself, so it doesn't get stuffy.
It is a dry, warm material. Even though the fabric is thin, it keeps you warm to the core.
It won't get stuffy even in hot places, so you can wear it comfortably throughout the four seasons.
※please note※
This product is sold as one piece for one foot. If you need one for both feet, please purchase two.
BS Fine, the "wearable bedrock bath," is a functional material that contains black silica, a natural mineral popular in bedrock baths, encapsulated within its fibers. Simply wearing it gently warms the body. The fabric is non-heating, so it will not heat up beyond body temperature. It maintains a comfortable temperature without overheating, so you will feel neither too cold nor too hot. It is comfortable all year round, spring, summer, autumn, and winter. The effect remains the same even after washing.
In fact, some customers who have purchased BS Fine say they don't immediately feel the warmth. This is because BS Fine doesn't warm you by generating heat from the fabric like other winter warming materials. BS Fine naturally warms the body through the infrared rays of the minerals in the fibers, and the fabric stores that body heat, maintaining a constant temperature and assimilating it with your body temperature. Because the warmth is so natural, some people find it hard to feel it. However, it does warm the body well, and it's dry and not stuffy in the hot summer, and you won't get cold from sweating even in air conditioning. It's toasty and cozy in the cold winter, and once you try it, you won't want to let it go.
All BS Fine series products are made in Japan. Each piece is handmade by artisans. BS Fine is committed to reliable Japanese manufacturing. Kamo Seni has been working to create the "ideal underwear" using the experience and technology it has accumulated over nearly half a century of underwear manufacturing. The BS Fine series is the culmination of this. Please try out the "reliable Japanese manufacturing" that has been cultivated through nearly 50 years of pursuing comfort.
BS Fine Soft Knee Support is stretchy and breathable, so you can wear it comfortably all year round. Just wearing one will envelop your cold knees in gentle warmth.
This product is for one pair of shoes. Color: Off-white Size: One size fits all Material: 89% polyester, 9% cotton, 2% polyurethane
BS Fine, the "wearable bedrock bath," is made by shrinking the natural mineral "black silica" to a diameter of 3/10,000 mm.
This is a new material encapsulated in polyester fibers with a diameter of 3/1,000 mm.
The core-sheath structure encapsulates "black silica" in the fibers, so the minerals do not dissolve even after washing.
It will not peel off or fall off.
In addition, the "wearable bedrock bath" BS Fine uses "black silica" to warm the body itself, so it doesn't get stuffy.
It is a dry, warm material. Even though the fabric is thin, it keeps you warm to the core.
It won't get stuffy even in hot places, so you can wear it comfortably throughout the four seasons.
※please note※
This product is sold as one piece for one foot. If you need one for both feet, please purchase two.