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Science Leap takes a scientific approach to fatigue recovery.
The special material, jointly developed by a subsidiary of Gunze Limited and a medical device manufacturer, and the unique design will support your rest in comfort.

[Long-awaited sweatshirt (mini fleece) material]
The pile is made of cotton and rayon, making it a soft material to the touch.
It has just the right thickness and can be used not only as loungewear but also as outerwear.

[Reason for creating recovery effect]
・Innovative far-infrared emitting ceramic material developed in collaboration with a medical device manufacturer
- Special ceramics at the micron level are fused to the fibers
・Effectively absorbs and radiates far infrared rays emitted from the human body
Far infrared rays promote blood circulation, reducing muscle stiffness and helping to relieve fatigue.

In addition, the unique wave pattern design provides even coverage for the entire body, making it comfortable to wear.

[Purpose or effect of use]
Far infrared rays improve blood circulation, improving symptoms such as fatigue and muscle stiffness.
・Recovery from fatigue
・Promotes blood circulation
・Relief of muscle stiffness and stiffness

[How to use, etc.]
This item is reusable and can be worn as clothing.
It can be worn during daily activities and while sleeping.

[Contraindications/Prohibitions]
- Patients who are unable to remove or put on the device themselves (because there is a high risk of exacerbating any symptoms that may occur).
- Patients who are allergic to this product (due to the high risk of allergic reactions).

[Precautions for use]
- If you experience any abnormalities on your body (itchiness, rash, etc.) while wearing the product, discontinue use immediately.
- Do not use if you have any skin abnormalities such as eczema, rash, or wounds.
- When using household detergent, avoid using a clothes dryer and hang out to dry after shaping the garment.
- Colored items may bleed, so please avoid washing them with other white items or soaking them in water for long periods of time.
- The fluff on the surface is flammable, so please be careful when approaching a stove or other open flame.
When washing this product, please follow the washing instructions.
- Do not modify or repair this product, such as by changing its shape.
Check that the product is not damaged.
- Wearing it while sleeping increases sweating, so be sure to drink plenty of water.

[Handling Precautions]
This product can be reused, but please note that it may be affected by moisture in the material, sunlight (ultraviolet rays), or may stretch due to deterioration over time from long-term use.

◎General medical equipment Home use far-infrared blood circulation promoting clothing
◎Medical device notification number: 11B1X10025000902
◎ Comfortable design supervised by sleep improvement instructor J. Okada
◎ Uses METECH, a revolutionary far-infrared emitting ceramic material developed in collaboration with a medical device manufacturer, and promotes blood circulation
◎Unisex design. Can be worn by both men and women.
Sizes: S, M, L, LL
◎The color may differ from the actual product depending on the color reproduction of your monitor.
◎Product number: SR200EC
The manufacturer code "SR25A20" printed on the packaging of the product you receive is different from the product number displayed on our website, but it is the same product.

Manufacturer: Advance Japan Co., Ltd.
Seller: SEESAY Co., Ltd.
*This product is a product of SEESAY Co., Ltd., a wholly owned subsidiary of Gunze Limited.

material
75% polyester, 15% cotton, 10% rayon
Functions and Features
  • Cotton Blend
  • Front binding
size

S、M、L、LL

*Prices may vary depending on size.

Size chart for this product
sizeWidth (cm)Back Length(cm)Shoulder width (cm)Sleeve length(cm)Sleeve width (cm)Cuff width (cm)Neck circumference (cm)
S54.565.56344.5231044.5
M58696746.52410.545.5
L607269.549251146.5
LL647773.55226.511.547.5

size guide

  • Women
  • Mens
  • Kids

Bra

A diagram showing the location of the top bust and under bust

Top BustUnderbustCup Size

Top Bust

Position of the highest part of the chest (nipple)

For larger or sagging breasts, measure them horizontally while lifting them up.
It's ok to wear a lightly padded bra.

Underbust

Just below the breast curve

Stand with your back straight and measure horizontally.
It's ok to wear a lightly padded bra.

(Unit: cm)

cup
(The difference between top and bottom)
Underbust range
(cm)
A cup
(Approx. 10 cm)
B cup
(approx. 12.5 cm)
C Cup
(approx. 15 cm)
D Cup
(approx. 17.5 cm)
63~67 A65 B65 C65 D65
68~72 A70 B70 C70 D70
73~77 A75 B75 C75 D75
78~82 A80 B80 C80 D80
83~87 A85 B85 C85 D85

Non-wired bras, half tops, bra tank tops

(Unit: cm)

size S M L LL 3L
bust 72~80 79~87 86~94 93~101 100~108
Underbust 65~70 70~75 75~80 80~85 85~90
Reference cup size A65/B65/C65 A70/A75/B70/C70 A80/B75/B80/C75 B85/C80/C85 B90/C90/D85

*The above is a guideline.

Stockings and tights

(Unit: cm)

Regular size S M L LL EL S - M M - L L - LL S - L
Hip 80~88 85~93 90~98 95~103 95~103 80~93 85~98 90~103 80~98
height 145~155 150~160 155~165 160~170 165~175 145~160 150~165 155~170 145~165

(Unit: cm)

Special Size JL JS - M JM - L JJL JJS - M JJM - L JJS - L TL - LL
Hip 95~113 105~128 105~128 80~95
height 155~165 145~160 150~165 155~165 145~160 150~165 145~165 155~170

*The above is a guideline

Outer bottoms/leggings pants

(Unit: cm)

size S M M - L L LL L - LL JML JJL
Waist 58~64 64~70 64~77 69~77 77~85 69~85 85~93 93~101

Underwear, home wear, shorts, girdles

(Unit: cm)

size S M L LL 3L
bust 72~80 79~87 86~94 93~101 100~108
height 145~157 150~162 155~167 160~170 160~170
Waist 58~64 64~70 69~77 77~85 85~93
Hip 82~90 87~95 92~100 97~105 102~110

How to measure and size your home wear

Women's size illustration
Home wear size illustration

(Unit: cm)

size S M L LL 3L 4L
Chest 80~88 88~96 96~104 104~112 108~116 112~120
height 155~165 165~175 175~185 175~185 175~185 175~185
Waist 68~76 76~84 84~94 94~104 98~108 104~114

How to measure and size your home wear

Men's size illustration
Home wear size illustration

Boys Size Chart

(Unit: cm)

size 100 110 120 130 140 150 160 170
height 95~105 105~115 115~125 125~135 135~145 145~155 155~165 165~175
Chest 49~55 53~59 57~63 61~67 65~72 70~78 76~84 82~90
Waist 47~53 49~55 51~57 53~59 54~62 58~66 62~70 66~74
Reference age 3 years old 4~5才 6~7才 8~9才 10~11才 12~13才 14~15才 16~17才

Girls Size Chart

Innerwear, half tops, shorts, leggings, etc.

(Unit: cm)

size 100 110 120 130 140 150 160 165
height 95~105 105~115 115~125 125~135 135~145 145~155 155~165 160~170
bust 49~55 53~59 57~63 61~67 64~72 70~78 76~84 79~87
Waist 45~51 47~53 49~55 51~57 53~59 56~63 58~66 60~68
Hip 55~61 58~66 62~70 66~74 70~78 76~84 82~90 85~93
Reference age 3 years old 4~5才 6~7才 8~9才 10~11才 12~13才 14~15才 15~16才

First Bra/Sports Bra

(Unit: cm)

size
(Name)
Body size (cm)  
Top Bust Underbust difference
A60 70 60 Approx. 10cm
A65 75 65
A70 80 70
A75 85 75
B65 78 65 Approx. 15cm
B70 83 70
B75 88 75
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【SCiENSLEEP】スウェット裏毛 上下セット(男女兼用)【送料無料】

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¥24,200

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Part number: SR200EC

S/ in stock¥24,200
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【JANコード】4550585547255

Part number: SR200EC

M/ in stock¥24,200
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【JANコード】4550585547279

Part number: SR200EC

L/ in stock¥24,200
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【JANコード】4550585547293

Part number: SR200EC

LL/ in stock¥24,200
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【JANコード】4550585547316

Part number: SR200EC

S/ in stock¥24,200
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【JANコード】4550585547262

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【JANコード】4550585547286

Part number: SR200EC

L/ in stock¥24,200
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【JANコード】4550585547309

Part number: SR200EC

LL/ in stock¥24,200
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【JANコード】4550585547323

Shipping fee: 460 yen / Free shipping for orders over 7,000 yen

【JANコード】4550585547255,4550585547262,4550585547279,4550585547286,4550585547293,4550585547309,4550585547316,4550585547323