Material data base
- Results
-
- Kiryu
- Fujiyoshida
- Sumida
- Bishu
264Hits
-
MKT-25055
ITONONE
- Number
- MKT-25055
- date
- 2024/04/01
- Material
-
- Cotton
- Regenerated fiber
- Other
- Mixture
-
- Cupro 43%
- Triacetate 26%
- COTTON 23%
- Polyester 8%
- Woven textile
- Width 120cm
- Length 50m
- Weight 153g/㎡
- Small batch orders available
- color/design variation available
- Item
-
- Dresses
- Shirtings
- Area
- Fujiyoshida
Wrinkle resistant, drapey jacquard.-
- Enquiry by e-mail
-
- TEL
- 0555-25-2406
-
67347F
NORITAKE
- Number
- 67347F
- date
- 2024/04/01
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Function
-
- Stretch
- Antibacterial
- Knitted textile
- Width 145cm
- Length 40m
- Weight 198g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Item
-
- Shirtings
- Inner wear/lingerie
- Area
- Bishu
-
FB2-448
FUJISAKI TEXTILE CO., LTD.
- Number
- FB2-448
- date
- 2024/01/12
- Material
-
- Cotton
- Polyester
- Nyron
- Mixture
-
- COTTON 56%
- Nylon 32%
- Polyester 8%
- Polyurethane 4%
- Woven textile
- Width 90cm
- Length 25m
- Item
-
- Jackets
- Dresses
- Area
- Kiryu
-
23136KS
KUNISHIMA CO., LTD.
- Number
- 23136KS
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 148cm
- Length 50m
- Weight 263g/㎡
- Price
- 3,000 yen or more
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
It features a heathered colored pattern effect made by twisting white and black threads. Furthermore, the resin is permeated to add tension to the classic houndstooth pattern, giving it a modern finis -
MW42TN
MARUSA CO., LTD.
- Sustainable raw materials
-
1-c Bio-based chemical fibers/other low impact processes and techniques
- Number
- MW42TN
- date
- 2024/02/07
- Material
-
- Other
- Mixture
-
- Other 58%
- Rayon 42%
- Function
-
- Stretch
- Cool/moisture transmission
- OTHER
- Knitted textile
- Width 145cm
- Length 40m
- Weight 156g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Small batch orders available
- Item
-
- Dresses
- Shirtings
- Inner wear/lingerie
- Area
- Bishu
Mino Washi from traditional production area is used.
High-quality Japanese paper yarn gives this item a soft texture.
Comfortable to wear due to moisture absorption and desorption and deodorizing prop -
21K24AW0010
STYLEM TAKISADA-OSAKA CO., LTD.
- Number
- 21K24AW0010
- date
- 2023/06/16
- Material
-
- Linen/Rammie
- Worsted wool
- Mixture
-
- Wool 55%
- Linen/Rammie 45%
- Woven textile
- Width 148cm
- Length 50m
- Weight 142g/㎡
- Small batch orders available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
-
W3567
NISHIKAWAKEORI CO., LTD. / ICHITEKI CO., LTD.
- Number
- W3567
- date
- 2023/10/12
- Material
-
- Worsted wool
- Polyester
- Other
- Mixture
-
- Wool 70%
- Polyester 25%
- Other 5%
- Function
-
- Heat-generating/moisture retention
- Woven textile
- Width 147cm
- Length 40m
- Weight 285g/㎡
- Item
-
- Jackets
- Coats
- Interior
- Area
- Bishu
-
67405
NORITAKE
- Number
- 67405
- date
- 2023/10/12
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Wool 55%
- Polyester 45%
- Knitted textile
- Width 120cm
- Length 40m
- Weight 192g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- color/design variation available
- Area
- Bishu
-
77-62
KUNISHIMA CO., LTD.
- Number
- 77-62
- date
- 2024/04/01
- Material
-
- Cotton
- Linen/Rammie
- Polyester
- Nyron
- Mixture
-
- Linen/Rammie 48%
- COTTON 30%
- Nylon 18%
- Polyester 4%
- Woven textile
- Width 140cm
- Length 50m
- Weight 182g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Area
- Bishu
-
R63M086A
NAKADEN KEORI CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- R63M086A
- date
- 2023/06/16
- Material
-
- Cotton
- Silk
- Mixture
-
- Silk 75%
- COTTON 25%
- Knitted textile
- Width 140cm
- Length 30m
- Weight 287g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Area
- Bishu
Luxurious full pile using silk -
R5113
AKAHORI SANGYO CORPORATION
- Number
- R5113
- date
- 2024/04/02
- Material
-
- Regenerated fiber
- Mixture
-
- Other 100%
- Woven textile
- Width 117cm
- Length 52m
- Weight 120g/㎡
- Stock service available
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Shirtings
- Printed fabrics
- Japanese-style clothing (kimono)
- Interior
- Sundry items
- 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
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Coats
- Dresses
- Shirtings
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
638016
DAIMATSU CO., LTD.
- Number
- 638016
- date
- 2024/04/01
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Polyester 89%
- Wool 11%
- Function
-
- Stretch
- Woven textile
- Width 130cm
- Length 50m
- Weight 441g/㎡
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
Double weave with PE/W yarn and stretchable polyester yarn. Features cushioning with a cardboard-like bulge and moderate stretch.
-
72-142
KUNISHIMA CO., LTD.
- Number
- 72-142
- date
- 2023/10/12
- Material
-
- Cotton
- Polyester
- Nyron
- Mixture
-
- Acrylic 43%
- COTTON 28%
- Nylon 24%
- Polyester 5%
- Woven textile
- Width 142cm
- Length 35m
- Weight 346g/㎡
- Price
- 3,000 yen or more
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
-
JB23330MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23330MZ
- date
- 2023/06/16
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Polyester 62%
- Wool 38%
- Woven textile
- Width 115cm
- Length 50m
- Weight 210g/㎡
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Pants/Skirts
- Area
- Bishu
-
76-130
KUNISHIMA CO., LTD.
- Number
- 76-130
- date
- 2023/10/12
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Polyester 86%
- Wool 14%
- Width 140cm
- Length 25m
- Weight 186g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Item
-
- Suits
- Jackets
- Dresses
- Pants/Skirts
- Area
- Bishu
-
62091
NORITAKE
- Number
- 62091
- date
- 2023/10/12
- Material
-
- Polyester
- Regenerated fiber
- Mixture
-
- Viscose 75%
- Polyester 25%
- Knitted textile
- Width 130cm
- Length 40m
- Weight 202g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- color/design variation available
- Item
-
- Inner wear/lingerie
- Area
- Bishu
-
JB23211TY
TOYAMA & CO., LTD.
- Number
- JB23211TY
- date
- 2023/06/16
- Material
-
- Woolen
- Mixture
-
- Wool 100%
- Woven textile
- Width 150cm
- Length 40m
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
Tweed-like melton with colorful kemp -
JB23313MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23313MZ
- date
- 2023/06/16
- Material
-
- Woolen
- Mixture
-
- Wool 60%
- Other 40%
- Woven textile
- Width 140cm
- Length 40m
- Weight 460g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
23108KS
KUNISHIMA CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Sustainable production process
-
2-a Optimized dyeing and finishing
- Number
- 23108KS
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 148cm
- Length 50m
- Weight 201g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
Woven by GOTS-certified organic wool, this gabardine features a luxurious luster and soft drape. -
720EC
NISHIKAWAKEORI CO., LTD. / ICHITEKI CO., LTD.
- Number
- 720EC
- date
- 2023/10/12
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Wool 30%
- Polyester 70%
- Function
-
- Heat-generating/moisture retention
- Easy care
- Woven textile
- Width 150cm
- Length 50m
- Weight 200g/㎡
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
-
S24S09-PE
CLOTH JAPAN
- Number
- S24S09-PE
- date
- 2023/10/12
- Material
-
- Polyester
- Regenerated fiber
- Mixture
-
- Polyester 58%
- Cupro 42%
- Woven textile
- Width 111cm
- Length 50m
- color/design variation available
- Item
-
- Suits
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Fujiyoshida
-
- Enquiry by e-mail
-
- TEL
- 03-5414-2237
-
43J
AKAHORI SANGYO CORPORATION
- Number
- 43J
- date
- 2024/04/02
- Material
-
- Regenerated fiber
- Mixture
-
- Other 100%
- Woven textile
- Width 112cm
- Length 44m
- Weight 115g/㎡
- Stock service available
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Printed fabrics
- Japanese-style clothing (kimono)
- Interior
- Sundry items
- Area
- Bishu
-
3107
FINE TEXTILE CO., LTD.
- Number
- 3107
- date
- 2023/10/12
- Material
-
- Woolen
- Nyron
- Mixture
-
- Wool 66%
- Nylon 14%
- Polyester 8%
- Other 12%
- Woven textile
- Width 140cm
- Length 50m
- Weight 245g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Coats
- Dresses
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
FJ210150
FUJISAKI TEXTILE CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- FJ210150
- date
- 2023/06/16
- Material
-
- Woolen
- Polyester
- Nyron
- Other
- Mixture
-
- Wool 46%
- Polyester 41%
- Nylon 12%
- Aramid fiber 1%
- Function
-
- Stretch
- Knitted textile
- Width 140cm
- Length 30m
- Stock service available
- Item
-
- Jackets
- Coats
- Shirtings
- Sportswear
- Interior
- Sundry items
- Other
- 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 -
K52346
MONA KNIT CO., LTD.
- Number
- K52346
- date
- 2023/08/04
- Material
-
- Worsted wool
- Other
- Mixture
-
- Wool 86%
- Acrylic 14%
- Knitted textile
- Width 135cm
- Length 40m
- Weight 170g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Shirtings
- Area
- Bishu
-
JB23311MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23311MZ
- date
- 2023/06/16
- Material
-
- Woolen
- Regenerated fiber
- Mixture
-
- Wool 70%
- Other 30%
- Woven textile
- Width 145cm
- Length 40m
- Weight 480g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
KSKN-0004
KISOGAWA SENJYU CO., LTD.
- Number
- KSKN-0004
- date
- 2023/10/12
- Material
-
- Nyron
- Other
- Mixture
-
- Nylon 17%
- Cashmere 8%
- Other 75%
- Knitted textile
- Width 112cm
- Length 35m
- Weight 190g/㎡
- Small batch orders available
- Item
-
- Shirtings
- Area
- Bishu
-
65955D
NORITAKE
- Number
- 65955D
- date
- 2023/10/12
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 130cm
- Length 46m
- Weight 196g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- color/design variation available
- Item
-
- Inner wear/lingerie
- Area
- Bishu
-
1015292
TAKISADA-NAGOYA CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- 1015292
- date
- 2023/08/04
- Material
-
- Woolen
- Mixture
-
- Wool 71%
- Polyester 21%
- Nylon 4%
- Acrylic 4%
- Woven textile
- Width 145cm
- Length 50m
- Weight 358g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- color/design variation available
- Stock service available
- Item
-
- Jackets
- Coats
- Area
- Bishu
This fabric is a recycled wool material "RE: NEWOOL® " that is carried out in Bishu, from raw material procurement, recarded, spinning, and finishinng.It is a beaver finish of the Prince of wales. -
KISO-0032
KISOGAWA SENJYU CO., LTD.
- Number
- KISO-0032
- date
- 2023/10/12
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 88%
- Polyester 12%
- Knitted textile
- Width 150cm
- Length 25m
- Weight 280g/㎡
- Small batch orders available
- Area
- Bishu
-
MKT-24992
ITONONE
- Number
- MKT-24992
- date
- 2024/04/01
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 73%
- Polyester 27%
- Woven textile
- Width 114cm
- Length 50m
- Weight 248g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Fujiyoshida
Classical pattern Jacquard-
- Enquiry by e-mail
-
- TEL
- 0555-25-2406
-
JB23410MK
MIYATA. WF. CO., LTD.
- Number
- JB23410MK
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Function
-
- Stretch
- Heat-generating/moisture retention
- Knitted textile
- Width 145cm
- Length 40m
- Weight 195g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Item
-
- Dresses
- Shirtings
- Area
- Bishu
High Gauge Tissue Jacquard used wool 1/60 Super 100-
- Enquiry by e-mail
-
- TEL
- 0586-77-1668
-
3070
FINE TEXTILE CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Number
- 3070
- date
- 2023/10/12
- Material
-
- Woolen
- Regenerated fiber
- Mixture
-
- Wool 70%
- Polyester 25%
- Other 5%
- Knitted textile
- Width 135cm
- Length 40m
- Weight 300g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Coats
- Dresses
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
G62M601
NAKADEN KEORI CO., LTD.
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- G62M601
- date
- 2023/06/16
- Material
-
- Linen/Rammie
- Polyester
- Mixture
-
- Linen/Rammie 88%
- Polyester 12%
- Knitted textile
- Width 100cm
- Length 30m
- Weight 325g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Sundry items
- Area
- Bishu
Linen full pile knit -
23116KS
KUNISHIMA CO., LTD.
- Number
- 23116KS
- date
- 2023/06/16
- Material
-
- Linen/Rammie
- Worsted wool
- Mixture
-
- Wool 53%
- Linen/Rammie 47%
- Woven textile
- Width 150cm
- Length 25m
- Weight 196g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Area
- Bishu
This Gabardine is characterized by its surface texture created by the mixed weave of wool and linen threads. -
32-22206
TAKISADA-NAGOYA CO., LTD.
- Number
- 32-22206
- date
- 2023/06/16
- Material
-
- Woolen
- Mixture
-
- Wool 97%
- Nylon 3%
- Woven textile
- Width 135cm
- Length 45m
- Weight 335g/㎡
- Stock service available
- color/design variation available
- Item
-
- Jackets
- Coats
- Area
- Bishu
-
MKT-24914B
ITONONE
- Number
- MKT-24914B
- date
- 2024/04/01
- Material
-
- Cotton
- Polyester
- Mixture
-
- Polyester 71%
- COTTON 29%
- Woven textile
- Width 170cm
- Length 50m
- Weight 136g/㎡
- Small batch orders available
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Fujiyoshida
-
- Enquiry by e-mail
-
- TEL
- 0555-25-2406
-
ER2B427
CLOTH JAPAN
- Number
- ER2B427
- date
- 2023/10/12
- Material
-
- Woolen
- Other
- Mixture
-
- Wool 98%
- Acrylic 2%
- Woven textile
- Width 133cm
- Length 50m
- color/design variation available
- Item
-
- Jackets
- Coats
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 03-5414-2237
-
178
SOJITZ FASHION CO., LTD.
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- 178
- date
- 2023/06/16
- Material
-
- Cotton
- Mixture
-
- COTTON 70%
- Polyester 30%
- Function
-
- Stretch
- Knitted textile
- Width 150cm
- Length 30m
- Weight 173g/㎡
- Price
- Within 1,000 yen
- Small batch orders available
- color/design variation available
- Stock service available
- Item
-
- Jackets
- Dresses
- Pants/Skirts
- Sportswear
- Inner wear/lingerie
- Interior
- Sundry items
- Accessories
- Area
- Bishu
Cotton and Polyester Velour. -
23107KS
KUNISHIMA CO., LTD.
- Number
- 23107KS
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 149cm
- Length 50m
- Weight 212g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Area
- Bishu
The worsted fabric is treated with resin to create a non-washed vintage denim look. -
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
-
EY01673
KUNISHIMA CO., LTD.
- Number
- EY01673
- date
- 2023/10/12
- Material
-
- Worsted wool
- Woolen
- Mixture
-
- Wool 100%
- Woven textile
- Width 135cm
- Length 50m
- Weight 156g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
-
23T4901
THE ONE CO., LTD.
- Number
- 23T4901
- date
- 2024/02/07
- Material
-
- Cotton
- Mixture
-
- COTTON 78%
- Cupro 11%
- Polyurethane 11%
- Function
-
- Stretch
- Absorbent/quick-drying
- Cool/moisture transmission
- Easy care
- UV protection
- Antibacterial
- Knitted textile
- Width 145cm
- Length 40m
- Weight 250g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Stock service available
- Item
-
- Dresses
- Shirtings
- Inner wear/lingerie
- Area
- Bishu
Cupra rayon blend plain stitches.It is finished by high-density ,high-level cutsew by making dares in the production area of wool. This Cupra is characterized by its glossy and soft skin texture.
-
- Enquiry by e-mail
-
- TEL
- 81-3-6455-0181
-
S18A16
CLOTH JAPAN
- Number
- S18A16
- date
- 2023/10/12
- Material
-
- Cotton
- Woolen
- Polyester
- Nyron
- Regenerated fiber
- Mixture
-
- Polyester 24%
- COTTON 50%
- Rayon 20%
- Wool 6%
- Woven textile
- Width 113cm
- Length 50m
- color/design variation available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Fujiyoshida
-
- Enquiry by e-mail
-
- TEL
- 03-5414-2237
-
67457
NORITAKE
- Number
- 67457
- date
- 2024/04/01
- Material
-
- Polyester
- Regenerated fiber
- Other
- Mixture
-
- Polyester 49%
- Viscose 48%
- Polyurethane 3%
- Function
-
- Stretch
- Knitted textile
- Width 165cm
- Length 40m
- Weight 144g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- color/design variation available
- Item
-
- Dresses
- Inner wear/lingerie
- Area
- Bishu
-
KSKN-0001
KISOGAWA SENJYU CO., LTD.
- Number
- KSKN-0001
- date
- 2023/10/12
- Material
-
- Cotton
- Other
- Mixture
-
- Acrylic 63%
- COTTON 16%
- Cashmere 2%
- Other 19%
- Knitted textile
- Width 95cm
- Weight 410g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu