Material data base
- Results
-
- Banshu
- Bishu
- Hachioji
277Hits
-
77-63
KUNISHIMA CO., LTD.
- Number
- 77-63
- date
- 2024/04/01
- Material
-
- Cotton
- Linen/Rammie
- Nyron
- Mixture
-
- Linen/Rammie 7%
- Nylon 3%
- Woven textile
- Width 140cm
- Length 50m
- Weight 150g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Area
- Bishu
-
26K-25SS0124
STYLEM TAKISADA-OSAKA CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- 26K-25SS0124
- date
- 2024/01/12
- Material
-
- Polyester
- Mixture
-
- Polyester 100%
- Woven textile
- Width 140cm
- Length 50m
- Weight 356g/㎡
- Small batch orders available
- Item
-
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
Technology linen that makes full use of Japan's unique spinning technology -
TKW0099
TAKU EDGE LLC
- Number
- TKW0099
- date
- 2024/07/28
- Material
-
- Cotton
- Mixture
-
- COTTON 75%
- Wool 23%
- Nylon 2%
- Woven textile
- Width 120cm
- Length 30m
- Weight 370g/㎡
- Small batch orders available
- Area
- Bishu
-
SB0058
SHIBAYA CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- SB0058
- date
- 2024/04/02
- Material
-
- Nyron
- Mixture
-
- Nylon 100%
- Function
-
- Water-repellent
- Woven textile
- Width 140cm
- Length 42m
- Weight 88g/㎡
- Price
- Within 1,000 yen
- Stock service available
- color/design variation available
- Item
-
- Sportswear
- Area
- Bishu
This material uses multi-type specially processed nylon yarn and has a span-like texture similar to natural materials and a natural luster.
We added a vintage feel to the fabric using recycled nylon t -
3592
KUWAMURA CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- 3592
- date
- 2024/02/07
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 114cm
- Length 60m
- Weight 143g/㎡
- Price
- Within 1,000 yen
- color/design variation available
- Stock service available
- Item
-
- Dresses
- Shirtings
- Area
- Banshu
-
24101KS
KUNISHIMA CO., LTD.
- Sustainable raw materials
-
1-d Cruelty-free materials
- Number
- 24101KS
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 147cm
- Length 25m
- Weight 340g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Item
-
- Jackets
- Coats
- Area
- Bishu
This SERGE fabric is double-woven with 80 yarn count fine thread, and is characterized by its firm woven and soft texture. -
KISO-0034
KISOGAWA SENJYU CO., LTD.
- Number
- KISO-0034
- date
- 2023/10/12
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 50%
- Polyester 50%
- Knitted textile
- Width 80cm
- Length 30m
- Weight 330g/㎡
- Small batch orders available
- Area
- Bishu
-
32-30688
TAKISADA-NAGOYA CO., LTD.
- Number
- 32-30688
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 135cm
- Length 53m
- Weight 200g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Area
- Bishu
-
NZD31T
NIKKE TEXTILE CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers1-d Cruelty-free materials
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- NZD31T
- date
- 2024/07/28
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 148cm
- Length 40m
- Weight 324g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Small batch orders available
- Item
-
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
ZQ Merino Wool Dry Flannel Stripe -
07044SR
NAKATAKA KEORI CO., LTD.
- Number
- 07044SR
- date
- 2023/10/12
- Material
-
- Woolen
- Mixture
-
- Wool 78%
- Nylon 21%
- Polyurethane 1%
- Function
-
- Stretch
- Knitted textile
- Width 135cm
- Length 40m
- Weight 315g/㎡
- Small batch orders available
- Item
-
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
-
95169
KUWAMURA CO., LTD.
- Number
- 95169
- date
- 2024/02/07
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 110cm
- Length 60m
- Weight 223g/㎡
- Stock service available
- Item
-
- Jackets
- Shirtings
- Pants/Skirts
- Area
- Banshu
-
31-32-5S3000
TAKISADA-NAGOYA CO., LTD.
- Number
- 31-32-5S3000
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 130cm
- Length 48m
- Weight 384g/㎡
- Item
-
- Suits
- Jackets
- Coats
- Area
- Bishu
-
65684A
NORITAKE
- Number
- 65684A
- date
- 2024/04/01
- Material
-
- Worsted wool
- Nyron
- Other
- Mixture
-
- Nylon 53%
- Wool 38%
- Polyurethane 9%
- Function
-
- Stretch
- Antibacterial
- Knitted textile
- Width 125cm
- Length 40m
- Weight 258g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Item
-
- Suits
- Jackets
- Area
- Bishu
-
24103KS
KUNISHIMA CO., LTD.
- Sustainable raw materials
-
1-d Cruelty-free materials
- Number
- 24103KS
- date
- 2024/06/06
- Material
-
- Linen/Rammie
- Worsted wool
- Mixture
-
- Wool 53%
- Linen/Rammie 47%
- Woven textile
- Width 150cm
- Length 25m
- Weight 196g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
Wool linen fabric with linen knots giving primitive feature to the twill weave and an natural and undulating surface feel. -
M-80291
MINAMI CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Sustainable production process
-
2-b No hazardous chemicals
- Number
- M-80291
- date
- 2024/06/06
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 125cm
- Length 25m
- Price
- Between 1,501 yen and 2,000 yen
- Item
-
- Shirtings
- Area
- Bishu
Our original yarn of 21/-Re cotton yarn with additional twist, heavy weight plain knit with a pulled-together.
-
- Enquiry by e-mail
-
- TEL
- 06-6451-1371
-
WD8008ヒートエフェクト
MATSUBARA CO., LTD.
- Number
- WD8008ヒートエフェクト
- date
- 2023/10/12
- Material
-
- Polyester
- Mixture
-
- Polyester 86%
- Polyurethane 14%
- Function
-
- Stretch
- Heat-generating/moisture retention
- Easy care
- Knitted textile
- Width 160cm
- Length 50m
- Weight 325g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Shirtings
- Pants/Skirts
- Area
- Bishu
-
EY2B409
CLOTH JAPAN
- Number
- EY2B409
- date
- 2023/10/12
- Material
-
- Cotton
- Woolen
- Mixture
-
- COTTON 52%
- Wool 48%
- Woven textile
- Width 140cm
- Length 40m
- color/design variation available
- Item
-
- Jackets
- Coats
- Dresses
- Shirtings
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 03-5414-2237
-
AW91000ヒートエフェクト
MATSUBARA CO., LTD.
- Number
- AW91000ヒートエフェクト
- date
- 2023/10/12
- Material
-
- Polyester
- Mixture
-
- Polyester 48%
- Viscose 48%
- Polyurethane 4%
- Function
-
- Stretch
- Heat-generating/moisture retention
- Woven textile
- Width 126cm
- Length 45m
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Shirtings
- Pants/Skirts
- Area
- Bishu
-
3347
FINE TEXTILE CO., LTD.
- Number
- 3347
- date
- 2023/10/12
- Material
-
- Woolen
- Mixture
-
- Wool 73%
- Nylon 20%
- Alpaca 7%
- Woven textile
- Width 140cm
- Length 50m
- Weight 220g/㎡
- Stock service available
- color/design variation available
- Small batch orders available
- Item
-
- Jackets
- Coats
- Dresses
- Shirtings
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
KK-5995
KAGEYAMA CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- KK-5995
- date
- 2023/10/12
- Material
-
- Cotton
- Linen/Rammie
- Mixture
-
- COTTON 70%
- Linen/Rammie 30%
- Woven textile
- Width 144cm
- Length 50m
- Weight 168g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- color/design variation available
- Item
-
- Shirtings
- Pants/Skirts
- Other
- Area
- Banshu
-
JB24302FT
FINE TEXTILE CO., LTD.
- Number
- JB24302FT
- date
- 2024/06/06
- Material
-
- Worsted wool
- Woolen
- Nyron
- Other
- Mixture
-
- Wool 46%
- Acrylic 46%
- Nylon 8%
- Woven textile
- Width 138cm
- Length 40m
- Weight 330g/㎡
- Price
- 3,000 yen or more
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Coats
- Area
- Bishu
Fancy tweed check material using large slubbing threads -
JB24406WK
IWATAKEN KEORI CO., LTD.
- Number
- JB24406WK
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 36%
- Acrylic 36%
- Mohair 20%
- Nylon 8%
- Woven textile
- Width 140cm
- Length 40m
- Weight 400g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-391-2171
-
029637
NISHIKAWAKEORI CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- 029637
- date
- 2023/10/12
- Material
-
- Woolen
- Mixture
-
- Wool 90%
- Cashmere 10%
- Woven textile
- Width 148cm
- Length 50m
- Weight 300g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Stock service available
- Item
-
- Jackets
- Coats
- Area
- Bishu
It is a cashmere-blend short beaver material.
Please touch it. -
JB24305FT
FINE TEXTILE CO., LTD.
- Number
- JB24305FT
- date
- 2024/06/06
- Material
-
- Worsted wool
- Woolen
- Nyron
- Other
- Mixture
-
- Wool 64%
- Acrylic 19%
- Nylon 17%
- Woven textile
- Width 138cm
- Length 45m
- Weight 285g/㎡
- Price
- 3,000 yen or more
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Coats
- Area
- Bishu
Fancy tweed in bright colors with fringes -
67438
NORITAKE
- Number
- 67438
- date
- 2024/04/01
- Material
-
- Cotton
- Polyester
- Other
- Mixture
-
- COTTON 67%
- Polyester 27%
- Polyurethane 4%
- Function
-
- Stretch
- Easy care
- Knitted textile
- Width 130cm
- Length 40m
- Weight 173g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Item
-
- Shirtings
- Area
- Bishu
-
M61L013
NAKADEN KEORI CO., LTD.
- Number
- M61L013
- date
- 2024/06/06
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 150cm
- Length 50m
- Weight 313g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Small batch orders available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Denim
- Sundry items
- Area
- Bishu
A tile-patterned cotton fabric woven on a dobby loom. You can also add a name jacquard. -
3580
KUWAMURA CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- 3580
- date
- 2024/07/28
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 112cm
- Length 60m
- Weight 100g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Shirtings
- Area
- Banshu
-
BL15000
OHARAYASENI CO., LTD.
- Number
- BL15000
- date
- 2024/02/07
- Material
-
- Cotton
- Polyester
- Nyron
- Mixture
-
- COTTON 85%
- Polyester 9%
- Nylon 6%
- Function
-
- Stretch
- Knitted textile
- Width 155cm
- Length 30m
- Weight 246g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Jackets
- Coats
- Area
- Bishu
bright knitted fabric -
RR6629
ROKAL Inc.
- Number
- RR6629
- date
- 2024/04/02
- Material
-
- Cotton
- Linen/Rammie
- Mixture
-
- COTTON 95%
- Linen/Rammie 5%
- Woven textile
- Width 152cm
- Length 50m
- Weight 180g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Stock service available
- Item
-
- Jackets
- Shirtings
- Pants/Skirts
- Area
- Banshu
-
66753M
NORITAKE
- Number
- 66753M
- date
- 2023/10/12
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 160cm
- Length 25m
- Weight 334g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- color/design variation available
- Area
- Bishu
-
NB4263
KIRARI CO., LTD.
- Number
- NB4263
- date
- 2024/07/28
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 135cm
- Length 50m
- Weight 130g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Shirtings
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 81-6-4256-2634
-
77-608A
KUNISHIMA CO., LTD.
- Number
- 77-608A
- date
- 2023/10/12
- Material
-
- Worsted wool
- Woolen
- Mixture
-
- Wool 100%
- Woven textile
- Width 137cm
- Length 45m
- Weight 340g/㎡
- Price
- 3,000 yen or more
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
-
66034
NORITAKE
- Number
- 66034
- date
- 2024/04/01
- Material
-
- Polyester
- Mixture
-
- Polyester 100%
- Function
-
- Cool/moisture transmission
- OTHER
- Knitted textile
- Width 145cm
- Length 40m
- Weight 164g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Item
-
- Dresses
- Shirtings
- Area
- Bishu
-
07429SR
NAKATAKA KEORI CO., LTD.
- Number
- 07429SR
- date
- 2023/10/12
- Material
-
- Woolen
- Polyester
- Mixture
-
- Wool 78%
- Nylon 10%
- Polyester 12%
- Knitted textile
- Width 170cm
- Length 20m
- Weight 385g/㎡
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
-
623007
CROP OZAKI CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- 623007
- date
- 2024/07/28
- Material
-
- Worsted wool
- Nyron
- Mixture
-
- Nylon 37%
- Wool 63%
- Woven textile
- Width 145cm
- Length 50m
- Weight 240g/㎡
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Sportswear
- Interior
- Sundry items
- Area
- Bishu
N/W twill. 50d recycled nylon high twist warp yarn and 1/48 wool weft yarn are used. High twist nylon reduces gloss and stiffness, creating a fashionable look not found in 100% worsted wool fabrics. -
KGM1331
KAWAGOSHIMASA CO., LTD.
- Number
- KGM1331
- date
- 2024/02/07
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 116cm
- Length 50m
- Weight 180g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Stock service available
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Shirtings
- Pants/Skirts
- Accessories
- Area
- Banshu
Sulfide dyeing yarn
Color fading when washed
-
14386
SUNWELL CO., LTD.
- Number
- 14386
- date
- 2024/01/12
- Material
-
- Cotton
- Silk
- Mixture
-
- COTTON 70%
- Silk 30%
- Woven textile
- Width 114cm
- Length 60m
- Weight 124g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Stock service available
- Item
-
- Jackets
- Dresses
- Shirtings
- Area
- Banshu
Silk Brend-
- Enquiry by e-mail
-
- TEL
- 06-6233-1321
-
5-1373-1
HOKKOH CO., LTD.
- Number
- 5-1373-1
- date
- 2024/06/06
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 112cm
- Length 50m
- Weight 308g/㎡
- Stock service available
- Item
-
- Jackets
- Coats
- Shirtings
- Pants/Skirts
- Denim
- Interior
- Sundry items
- Area
- Banshu
Traditional Palaka Check fabric which is high density twill and indigo yarn dyed -
73704
SUNWELL CO., LTD.
- Number
- 73704
- date
- 2024/06/06
- Material
-
- Woolen
- Mixture
-
- Acrylic 90%
- Wool 10%
- Knitted textile
- Width 150cm
- Length 40m
- Weight 280g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Jackets
- Coats
- Dresses
- Shirtings
- Area
- Bishu
Beautiful Hand feel
Blushed -
KKC555-1
UNI TEXTILE CO., LTD.
- Number
- KKC555-1
- date
- 2024/06/06
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 65%
- Polyester 35%
- Woven textile
- Width 110cm
- Length 50m
- Weight 118g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Stock service available
- color/design variation available
- Item
-
- Jackets
- Dresses
- Pants/Skirts
- Area
- Banshu
This jacquard is woven in cotton and polyester - it makes less-wrinkle and soft hand feel, and this fabric is made available in two shades -
ZQW30401
NIKKE TEXTILE CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers1-d Cruelty-free materials
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- ZQW30401
- date
- 2024/07/28
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Function
-
- Cool/moisture transmission
- Woven textile
- Width 148cm
- Length 50m
- Weight 319g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Small batch orders available
- Item
-
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
ZQ Merino 2/30 Glencheck -
26257
FUJISAKI TEXTILE CO., LTD.
- Number
- 26257
- date
- 2023/10/12
- Material
-
- Worsted wool
- Mixture
-
- Wool 53%
- Polyester 47%
- Function
-
- Stretch
- Absorbent/quick-drying
- Easy care
- Antibacterial
- Knitted textile
- Width 130cm
- Length 40m
- Weight 214g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Shirtings
- Sportswear
- Inner wear/lingerie
- Area
- Bishu
-
KSKN-0005
KISOGAWA SENJYU CO., LTD.
- Number
- KSKN-0005
- date
- 2023/10/12
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 150cm
- Length 30m
- Weight 220g/㎡
- Small batch orders available
- Item
-
- Shirtings
- Area
- Bishu
-
KG1497
KAGEYAMA CO., LTD.
- Number
- KG1497
- date
- 2024/04/02
- Material
-
- Cotton
- Silk
- Mixture
-
- COTTON 92%
- Silk 8%
- Woven textile
- Width 144cm
- Length 50m
- Weight 135g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- color/design variation available
- Item
-
- Shirtings
- Area
- Banshu
-
24108KS
KUNISHIMA CO., LTD.
- Sustainable raw materials
-
1-d Cruelty-free materials
- Number
- 24108KS
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 153cm
- Length 50m
- Weight 267g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
It features a heathered colored pattern effect made by twisting white and blue threads. Furthermore the resin is permeated to add tension to the classic houndstooth pattern, giving it modern finish -
L64511B
NAKADEN KEORI CO., LTD.
- Number
- L64511B
- date
- 2024/06/06
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Function
-
- Easy care
- Woven textile
- Width 150cm
- Length 50m
- Weight 112g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Dresses
- Shirtings
- Area
- Bishu
The raw material is 14.5M (SP180) with 2/130 worsted wool. This is a 100% wool shirt material. It also has a washable finish. -
FJ220170
FUJISAKI TEXTILE CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- FJ220170
- date
- 2024/06/06
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Function
-
- Stretch
- Knitted textile
- Width 160cm
- Length 25m
- Weight 362g/㎡
- Stock service available
- Item
-
- Dresses
- Shirtings
- Sundry items
- Other
- Area
- Bishu
It is used organic cotton made in Turkey.
-
KG-1473
KAGEYAMA CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- KG-1473
- date
- 2023/10/12
- Material
-
- Cotton
- Woolen
- Mixture
-
- COTTON 90%
- Other 10%
- Woven textile
- Width 110cm
- Length 60m
- Weight 184g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- color/design variation available
- Item
-
- Shirtings
- Pants/Skirts
- Sundry items
- Other
- Area
- Banshu