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BRAIN SLEEP WEAR RECOVERY
BRAIN SLEEP WEAR RECOVERY
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Care & Instructions +
- Avoid using bleach (chlorine-based or oxygen-based).
- Do not tumble dry, as this may cause shrinkage or deterioration of the product. Line drying in the shade is recommended.
Materials +
Rib: 95% Cotton, 5% Polyurethane
Sizes +
①Body Length ②Body Width ③Sleeve Length ④Shoulder Width
S: ①approx. 67 cm ②approx. 55 cm ③approx. 55 cm ④approx. 50 cm
M: ①approx. 70 cm ②approx. 58 cm ③approx. 56 cm ④approx. 52 cm
L: ①approx. 72 cm ②approx. 60 cm ③approx. 57 cm ④approx. 53.5 cm
XL: ①approx. 74 cm ②approx. 62 cm ③approx. 58 cm ④approx. 55 cm
■Pants
①Waist ②Hip ③Rise (front/back) ④Inseam
S: ①approx. 36 cm ②approx. 100 cm ③approx. 30/33 cm ④approx. 67 cm
M: ①approx. 39 cm ②approx. 106 cm ③approx. 31/34 cm ④approx. 68 cm
L: ①approx. 41 cm ②approx. 110 cm ③approx. 32/35 cm ④approx. 69 cm
XL: ①approx. 43 cm ②approx. 114 cm ③approx. 33/36 cm ④approx. 70 cm
Wear it to sleep for
full-body recovery
- Fatigue recovery
- Supports circulation
- Relieves muscle tension and stiffness
- Eases muscle fatigue
Class I medical device
Achieved 3,900% of its funding goal
on crowdfunding platform Makuake
From BRAIN SLEEP
A new recovery
wear classified as
a Class I medical device is introduced
MEDIC RECOVERY FIBER
supports circulation
for full-body recovery
A proprietary material
MEDIC
RECOVERY
FIBER
Made from ceramics derived from natural minerals found on Earth.
Among them, high-purity ceramics are carefully selected and blended using a proprietary formulation.
Through high-density processing at the nano level within the fibers and a specially engineered yarn structure, a high level of far-infrared radiation is achieved.
Made from ceramics derived from natural minerals found on Earth.
Among them, high-purity ceramics are carefully selected and blended using a proprietary formulation.
Through high-density processing at the nano level within the fibers and a specially engineered yarn structure, a high level of far-infrared radiation is achieved.
ISSUE
Improving recovery efficiency for people in Japan, who tend to get less sleep, through recovery wear
On average, people in Japan sleep about 50 minutes less than the ideal amount
Sleep is not just about time.
It’s about quality
"The Stanford Method
for Ultimate Sound Sleep"
Recovery wear designed for ultimate fatigue recovery,
the true purpose of optimal sleep
Recovery wear designed
for ultimate fatigue recovery,
the true purpose of optimal sleep
Designed for ultimate fatigue recovery
even with limited sleep time
Class I medical device
TECHNOLOGY
01FULL RECOVERY
Supports circulation
for full-body recovery
Proprietary recovery material
MEDIC RECOVERY FIBER
Selected ceramics at the nano level are blended from multiple types.
Through proprietary processing, a high concentration of ceramics is embedded into the fibers.
In addition, a specially engineered yarn structure enhances radiant heat emission, supporting a higher level of recovery performance.
Supports circulation through the far-infrared emission of MEDIC RECOVERY FIBER
Ceramics made from natural minerals found on Earth are used as the raw material.
Among them, high-purity ceramics are carefully selected and blended using a proprietary formulation.
Through high-density, nano-level processing within the fibers and a specially engineered yarn structure, a high level of far-infrared emission is achieved.
Surface temperature increases by +2.3°C
Effectively warms the body
Wearing the garment raises the surface temperature efficiently and supports circulation.
Supporting fatigue recovery
while enhancing relaxation
In nowadays high-stress environment, the level of relaxation and stress relief affects sleep quality.
In brainwave measurements used to assess relaxation levels, an approximately 21% greater increase in alpha-wave activity—typically observed in relaxed states—was recorded.
& RELAX
02STRESS FREE
& RELAX
A stress-free, relaxed design
that supports comfortable sleep
A gentle, comfortable feel against the skin
Designed for non-clammy comfort
The outer surface of the recovery wear uses quick-drying polyester, while the side that touches the skin features a proprietary fabric developed from naturally derived cotton and rayon with high moisture absorption and release properties.
The lightweight 7-ounce sweatshirt fabric helps reduce strain on the body.
※Typical sweatshirt fabrics weigh 9–13 ounces.
Reduces uncomfortable clamminess during sleep
The wear’s exceptional moisture absorption and release properties help reduce clamminess.
The highly moisture-regulating fabric supports a dry, comfortable feel throughout sleep.
Freedom of movement
for more comfortable sleep
The recovery wear features generously sized armholes and minimizes tightness from elastic and ribbing.
By reducing constriction as much as possible, this sleep-focused design does not interfere with the natural movements needed during sleep, including turning over.
TOPS
• Drop-shoulder design with added ease around the shoulders
• Side vents that create room at the hem
• Low-constriction ribbing
PANTS
• Side gusset construction that adds three-dimensional structure
• A relaxed silhouette with added ease around the ankles
POCKETS
• Pockets on both sides and the back
03PERFECT CLEAN
Fully washable
Always clean and comfortable
Machine-washable and quick-drying
The recovery wear can be easily washed in a household washing machine and dries quickly, making it suitable for daily use.
The fabric is embedded with ceramics at the nano level, allowing it to maintain performance even after repeated washing.
Effective bacteriostatic and deodorizing properties
The fabric suppresses the growth of odor-causing bacteria and helps reduce unpleasant perspiration odors.
SCENE
During remote work
During remote work
Remote work often involves sitting in the same position for extended periods, which can place strain on muscles and joints.
Wearing recovery wear supports circulation and muscle recovery, helping reduce fatigue during long hours of desk work.
Sleep & relaxation time
Sleep & relaxation time
Wearing recovery wear during sleep or moments of relaxation supports deeper sleep and muscle recovery, helping maximize relaxation and recovery during rest.
Travel
Travel
During travel, long periods of movement and irregular routines can place added strain on the body. Wearing recovery wear helps reduce fatigue from extended travel and is expected to support circulation and help prevent swelling.
SPECSpecifications
COLOR
Available in two colors: Black and Charcoal Gray
UNISEX SIZE
A unisex size designed to fit all genders, ages, and body types.
◾️Size Guide (Unisex)
◾️ Product Measurements
◾️ Materials
Main fabric: 75% polyester, 15% cotton, 10% rayon
Rib: 95% cotton, 5% polyurethane
◾️ Special notes
Class 04 medical device / General medical device / Home-use far-infrared blood circulation–promoting garment
【Medical device notification number】
11B1X10025292802
【Intended use or effects】
By promoting blood circulation through far-infrared radiation, this product helps improve symptoms such as fatigue and muscle stiffness.
• Fatigue recovery
• Promotion of blood circulation
• Relief of muscle tension and stiffness
• Reduction of muscle fatigue
【How to use】
This product is reusable.
• Wear as clothing.
• Suitable for use during daily activities as well as during sleep.
【Contraindications and prohibitions】
• Patients who are unable to remove the garment by themselves (as there is a high risk of worsening symptoms if any abnormal condition occurs).
• Patients with allergies to this product (as there is a high risk of triggering allergic reactions).
• Individuals with skin conditions such as inflammation, chemical burns, wounds, or pain at the area of wear (as contact may worsen symptoms).
【Precautions for use】
1. Ensure that the product is free from damage before use.
2. When worn during sleep, perspiration may increase, so ensure adequate hydration.
3. If any abnormalities such as itching or rash occur during use, discontinue use immediately.
4. Do not use if there are abnormalities on the skin, such as eczema, rash, or wounds.
5. Follow the care instructions when washing this product.
6. As colors may bleed, avoid washing together with other items or soaking in water for long periods.
7. Avoid using a tumble dryer. Reshape and dry naturally.
8. As surface fibers may be flammable, exercise caution when near open flames such as stoves or heaters.
9. Do not alter, process, or repair this product, as doing so may change its shape.
【Handling precautions】
This product is designed for repeated use; however, prolonged exposure to moisture, sunlight (ultraviolet rays), or long-term use may cause material aging or stretching. Please handle with care.
Product comparison chart
Also recommended as a gift
Brain sleep original gift wrapping bags (sold separately) are also available.
This gift bag features a gray non-woven fabric with the logo and a white ribbon, creating a clean, unisex look.
Make the most of
limited time.
FAQFrequently asked questions
Can I wear it over innerwear (base layers)?
It can be worn over innerwear (base layers).
However, wearing it directly against the skin allows the effects of radiant heat to be felt more effectively.
Is it washable?
Yes, it is machine-washable at home. Please wash separately from white or light-colored items. Do not use chlorine-based or oxygen-based bleach.
Can I tumble dry?
To prevent shrinkage or deterioration, please avoid tumble drying. Line drying in the shade is recommended.
How thick is the fabric?
It is made with a lightweight sweat fabric of approximately 7 oz, offering a thin and comfortable feel suitable for sleep without any sense of heaviness.
How should I choose the right size?
This item is designed in a relaxed unisex fit. Please refer to the size guide on the product page to select the size that best suits you.
Which seasons can I wear it?
You can wear it in spring, fall, and winter.
It is also suitable for use during summer when sleeping with air conditioning.
As this product is classified as a medical device, are there any precautions for use?
Please refer to the enclosed instruction manual and precautions for use.