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[KAITEKIKOUBOU Series]
A long-selling brand that has been extremely popular among cotton lovers since its debut, known for its high quality and comfort.

- Body: 100% cotton
Made from high-quality cotton, this fleece material absorbs sweat well and is soft and comfortable against the skin.

・Soft
The fabric does not deteriorate much even after repeated washing, and it retains its soft texture for a long-lasting feeling of comfort.

・Antibacterial and deodorizing treatment
It inhibits the growth of bacteria on fabrics and reduces unpleasant odors.

・Roomy design
It is designed to fit your body shape and is comfortable to wear.

*There is almost no difference between the camel and beige colors.

*Prices of this product vary depending on size.
*Grey Mok is only available in M, L, and LL sizes.

Product number: KQ5028
material
100% cotton
Functions and Features
  • 100% cotton
  • Antibacterial and deodorizing treatment
  • Front opening
  • Waist rubber can be replaced
size

S、M、L、LL、3L、4L

*Prices may vary depending on size.

Size chart for this product
sizeFront length (cm)Front rise (cm)Waist (cm)
S3229.527.5
M3431.530.5
L3936.533.5
LL4138.536.5
3L4340.542.5
4L4542.546.5
*This is for reference only. There may be slight differences depending on the fabric.
*Dimensions measured when laid flat on a flat surface.

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

About the product

[KAITEKIKOUBOU Introduction Video] *Click to play the video

[KAITEKIKOUBOU Introduction Video]
*Tap to play the video

All season Bulk purchase discount available
This high-quality 100% cotton underwear feels great and lasts forever, gently enveloping your body.

KAITEKIKOUBOU

Trunks (front opening) [Bulk purchase discount available]

View details of this product and its size

¥990~¥1,980

獲得ポイント:9ポイント 詳細

Buying in bulk is a great deal!You can freely choose the size and color!

Bulk purchase price list

Purchase points Discount rate price
3–4 points 5%OFF Per item¥941~
5–9 points 10%OFF Per item¥891~
10 points or more 20%OFF Per item¥792~
About bulk purchases
*You can check this by proceeding through your cart.
*The bulk purchase discount applies only if you select the color and size from the same product detail page.
*If you wish to return products purchased in bulk, please return all of the items. (If you purchase 5 items, please return all 5 items.)
Choose a color
  • Trunks (front opening) [Bulk purchase discount available] KQ5028 White

    white

  • New color
    Trunks (front opening) [Bulk purchase discount available] KQ5028 Beige

    beige

  • Trunks (front opening) [Bulk purchase discount available] KQ5028 Grey Mok

    Grey Mok

  • Trunks (front opening) [Bulk purchase discount available] KQ5028 Camel

    camel

Selected colour:Please select a color.

Product number: KQ5028

S/ in stock¥990
quantity

【JANコード】4973077567027

Product number: KQ5028

M/ in stock¥990
quantity

【JANコード】4973077567041

Product number: KQ5028

L/ in stock¥990
quantity

【JANコード】4973077567072

Product number: KQ5028

LL/ in stock¥990
quantity

【JANコード】4973077567102

Product number: KQ5028

3L/ in stock¥1,430
quantity

【JANコード】4973077567133

Product number: KQ5028

4L/ in stock¥1,980
quantity

【JANコード】4973077567157

Product number: KQ5028

S/ Only a few left¥990
quantity

【JANコード】4973077923717

Product number: KQ5028

M/ in stock¥990
quantity

【JANコード】4973077923724

Product number: KQ5028

L/ in stock¥990
quantity

【JANコード】4973077923731

Product number: KQ5028

LL/ Only a few left¥990
quantity

【JANコード】4973077923748

Product number: KQ5028

3L/ in stock¥1,430
quantity

【JANコード】4973077923755

Product number: KQ5028

4L/ Only a few left¥1,980
quantity

【JANコード】4973077923762

Product number: KQ5028

M/ in stock¥990
quantity

【JANコード】4973077567058

Product number: KQ5028

L/ in stock¥990
quantity

【JANコード】4973077567089

Product number: KQ5028

LL/ in stock¥990
quantity

【JANコード】4973077567119

Product number: KQ5028

4L/ Only a few left¥1,980
quantity

【JANコード】4973077567140

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

Mother's Day limited free gift wrapping available
【JANコード】4973077567027,4973077923717,4973077567041,4973077923724,4973077567058,4973077567072,4973077923731,4973077567089,4973077567102,4973077923748,4973077567119,4973077567133,4973077923755,4973077567157,4973077923762,4973077567140