Material data base
- Results
-
- Yonezawa(Yamagata)
- Bishu
- Oota
- Sumida
254Hits
-
33J
AKAHORI SANGYO CORPORATION
- Number
- 33J
- date
- 2024/04/02
- Material
-
- Regenerated fiber
- Mixture
-
- Other 100%
- Width 117cm
- Length 52m
- Weight 160g/㎡
- Stock service available
- Small batch orders available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Printed fabrics
- Japanese-style clothing (kimono)
- Interior
- Sundry items
- Area
- Bishu
-
550
NISHIKAWAKEORI CO., LTD. / ICHITEKI CO., LTD.
- Number
- 550
- date
- 2023/10/12
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Wool 60%
- Polyester 40%
- Function
-
- Heat-generating/moisture retention
- Easy care
- Woven textile
- Width 150cm
- Length 50m
- Weight 235g/㎡
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Shirtings
- Pants/Skirts
- Area
- Bishu
-
JB23219TY
TOYAMA & CO., LTD.
- Number
- JB23219TY
- date
- 2023/06/16
- Material
-
- Cotton
- Worsted wool
- Mixture
-
- Wool 55%
- COTTON 45%
- Woven textile
- Width 145cm
- Length 50m
- Weight 240g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Area
- Bishu
Wool on the front for a slightly casual look
Double-layered cotton backing -
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
-
67439
NORITAKE
- Number
- 67439
- date
- 2024/04/01
- Material
-
- Cotton
- Mixture
-
- COTTON 98%
- Polyurethane 2%
- Function
-
- Easy care
- Knitted textile
- Width 150cm
- Length 40m
- Weight 240g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Item
-
- Shirtings
- Inner wear/lingerie
- Area
- Bishu
-
76-120
KUNISHIMA CO., LTD.
- Number
- 76-120
- date
- 2023/10/12
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 136cm
- Length 50m
- Weight 162g/㎡
- Price
- 3,000 yen or more
- color/design variation available
- Item
-
- Suits
- Jackets
- Dresses
- Pants/Skirts
- Area
- Bishu
-
NB4366
KIRARI CO., LTD.
- Number
- NB4366
- date
- 2023/08/04
- Material
-
- Worsted wool
- Mixture
-
- Wool 90%
- Nylon 10%
- Function
-
- Stretch
- Knitted textile
- Width 120cm
- Length 30m
- Weight 310g/㎡
- Stock service available
- color/design variation available
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 81-6-4256-2634
-
KW9974
KOWA COMPANY, LTD.
- Number
- KW9974
- date
- 2024/01/12
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Woven textile
- Width 145cm
- Length 50m
- Weight 114g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Small batch orders available
- color/design variation available
- Area
- Bishu
Long staple cotton is used, spun 80/-, and woven into a high-density typewriter. The fabric is then treated with a special resin treatment to achieve a unique touch with a sense of repulsion. -
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
-
JB23339MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23339MZ
- date
- 2023/06/16
- Material
-
- Cotton
- Worsted wool
- Mixture
-
- Wool 78%
- COTTON 22%
- Woven textile
- Width 115cm
- Length 50m
- Weight 340g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
HS1612
HASEGAWA CORPORATION
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- HS1612
- date
- 2024/04/01
- Material
-
- Silk
- Mixture
-
- Silk 100%
- Function
-
- Stretch
- Cool/moisture transmission
- Heat-generating/moisture retention
- UV protection
- Knitted textile
- Width 127cm
- Length 40m
- Weight 184g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- color/design variation available
- Item
-
- Dresses
- Shirtings
- Sportswear
- Inner wear/lingerie
- Sundry items
- Area
- Bishu
This fabric is mercerized over the plain 100% silk jersey.
The shines will be beyond your imagination. -
JB23227TY
TOYAMA & CO., LTD.
- Number
- JB23227TY
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 135cm
- Length 30m
- Weight 320g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Suits
- Jackets
- Area
- Bishu
Smooth and hard-finished double crepe -
KISO-0021
KISOGAWA SENJYU CO., LTD.
- Number
- KISO-0021
- date
- 2023/10/12
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 82%
- Polyester 18%
- Knitted textile
- Width 120cm
- Length 20m
- Weight 410g/㎡
- Small batch orders available
- Item
-
- Jackets
- Area
- Bishu
-
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
- color/design variation available
- Stock service available
- Item
-
- Dresses
- Inner wear/lingerie
- Area
- Bishu
-
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
-
029637
NISHIKAWAKEORI CO., LTD. / ICHITEKI 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. -
76360
SUNWELL CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- 76360
- date
- 2023/06/16
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 135cm
- Length 48m
- Weight 110g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- color/design variation available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Bishu
Wool100%
Washer -
JB23334MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23334MZ
- date
- 2023/06/16
- Material
-
- Cotton
- Polyester
- Mixture
-
- COTTON 61%
- Polyester 39%
- Woven textile
- Width 115cm
- Length 50m
- Weight 290g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
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
-
2544
FINE TEXTILE CO., LTD.
- Number
- 2544
- date
- 2023/10/12
- Material
-
- Cotton
- Linen/Rammie
- Worsted wool
- Mixture
-
- Wool 55%
- Linen/Rammie 25%
- COTTON 20%
- Woven textile
- Width 138cm
- Length 37m
- Weight 195g/㎡
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Jackets
- Dresses
- Shirtings
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
VFPQ1924K
NAGOYA SPINNING CO., LTD.
- Number
- VFPQ1924K
- date
- 2023/10/12
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 170cm
- Length 25m
- Weight 230g/㎡
- Price
- Between 1,001 yen and 1,500 yen
- Small batch orders available
- Area
- Bishu
This material is a picket material that uses uneven yarn.
The back is brushed, and we have paid attention to the texture.
-
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
-
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
-
G60M309
NAKADEN KEORI CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- G60M309
- date
- 2023/06/16
- Material
-
- Woolen
- Other
- Mixture
-
- Wool 70%
- Cashmere 30%
- Knitted textile
- Width 126cm
- Length 30m
- Weight 323g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
SP120 wool with cashmere blend inlay -
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 -
68500
SOJITZ FASHION CO., LTD.
- Sustainable raw materials
-
1-b Recycled materials/upcycling materials
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- 68500
- date
- 2023/06/16
- Material
-
- Woolen
- Mixture
-
- Wool 69%
- Polyester 25%
- Acrylic 3%
- Nylon 3%
- Function
-
- Heat-generating/moisture retention
- Easy care
- Woven textile
- Width 148cm
- Length 50m
- Weight 228g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Small batch orders available
- color/design variation available
- Item
-
- Suits
- Jackets
- Coats
- Pants/Skirts
- Interior
- Sundry items
- Accessories
- Area
- Bishu
MADE IN BISHU, which is one of the most famous wool production area in the world. Tweed plaid made from recycled wool. -
JB23332MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23332MZ
- date
- 2023/06/16
- Material
-
- Worsted wool
- Polyester
- Mixture
-
- Polyester 61%
- Wool 39%
- Woven textile
- Width 115cm
- Length 50m
- Weight 210g/㎡
- Small batch orders available
- Item
-
- Coats
- Area
- Bishu
-
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/㎡
- color/design variation available
- Stock service available
- Small batch orders available
- Item
-
- Shirtings
- Sportswear
- Inner wear/lingerie
- Area
- Bishu
-
K52496
MONA KNIT CO., LTD.
- Number
- K52496
- date
- 2024/02/07
- Material
-
- Cotton
- Mixture
-
- COTTON 100%
- Knitted textile
- Width 160cm
- Length 30m
- Small batch orders available
- Item
-
- Shirtings
- Area
- Bishu
-
M1000
NISHIKAWAKEORI CO., LTD. / ICHITEKI CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- M1000
- date
- 2023/10/12
- Material
-
- Woolen
- Mixture
-
- Cashmere 100%
- Woven textile
- Width 150cm
- Length 50m
- Weight 310g/㎡
- Price
- 3,000 yen or more
- Stock service available
- Item
-
- Jackets
- Coats
- Area
- Bishu
It is a pure cashmere short beaver material.
Please touch it. -
JB23205TY
TOYAMA & CO., LTD.
- Number
- JB23205TY
- date
- 2023/06/16
- Material
-
- Worsted wool
- Woolen
- Mixture
-
- Wool 94%
- Nylon 5%
- Polyurethane 1%
- Woven textile
- Width 150cm
- Length 25m
- Weight 340g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
Fine worsted till but the reverse side is woolen for warmth and weight -
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
-
V02627
NAKATAKA KEORI CO., LTD.
- Number
- V02627
- date
- 2023/10/12
- Material
-
- Worsted wool
- Mixture
-
- Wool 100%
- Woven textile
- Width 145cm
- Length 50m
- Weight 187g/㎡
- Small batch orders available
- Item
-
- Suits
- Jackets
- Dresses
- Shirtings
- Area
- Bishu
-
SP182F
NISHIKAWAKEORI CO., LTD. / ICHITEKI CO., LTD.
- Sustainable raw materials
-
1-a Organic materials, biodegradable natural fibers
- Number
- SP182F
- date
- 2023/10/12
- Material
-
- Woolen
- Mixture
-
- Wool 100%
- Woven textile
- Width 150cm
- Length 50m
- Weight 235g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Pants/Skirts
- Area
- Bishu
-
JB23301MZ
MIZUHO KOGYO CO., LTD.
- Number
- JB23301MZ
- date
- 2023/06/16
- Material
-
- Nyron
- Mixture
-
- Nylon 100%
- Woven textile
- Width 110cm
- Length 25m
- Weight 90g/㎡
- Small batch orders available
- Item
-
- Shirtings
- Sportswear
- Interior
- Area
- Bishu
-
5024-1346-1
HOKKOH CO., LTD.
- Number
- 5024-1346-1
- date
- 2024/01/12
- Material
-
- Regenerated fiber
- Mixture
-
- Rayon 100%
- Woven textile
- Width 110cm
- Length 46m
- Weight 115g/㎡
- Stock service available
- Small batch orders available
- Item
-
- Dresses
- Shirtings
- Printed fabrics
- Area
- Yonezawa(Yamagata)
Rayon fabric with digital print with Bandana desing -
OWD25197
OHARAYASENI CO., LTD.
- Number
- OWD25197
- date
- 2024/02/07
- Material
-
- Linen/Rammie
- Mixture
-
- Linen/Rammie 100%
- Woven textile
- Width 112cm
- Length 27m
- Weight 204g/㎡
- Price
- Between 2,001 yen and 3,000 yen
- Stock service available
- Item
-
- Jackets
- Pants/Skirts
- Area
- Bishu
This 100% linen fabric is dyed with sumi ink, which gives the fabric an uneven texture. The fabric is finished without any extra force, giving it a random wrinkled feel and a dry touch. -
CRTI-12
Crescend Yonezawa
- Number
- CRTI-12
- date
- 2023/10/12
- Material
-
- Cotton
- Silk
- Mixture
-
- COTTON 70%
- Silk 30%
- Woven textile
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Sundry items
- Area
- Yonezawa(Yamagata)
-
- Enquiry by e-mail
-
- TEL
- 0238-22-2320
-
KKF1768-W
UNI TEXTILE CO., LTD.
- Number
- KKF1768-W
- date
- 2024/01/12
- Material
-
- Cotton
- Nyron
- Mixture
-
- COTTON 72%
- Nylon 28%
- Woven textile
- Width 150cm
- Length 50m
- Weight 71g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Bishu
By using Nylon split yarn for the warp, we created a material that has a modest of firmness and light weighted. It can be used for a variety of items with its natural look and vintage-like texture. -
ME19544SSジャガード
MATSUBARA CO., LTD.
- Number
- ME19544SSジャガード
- date
- 2023/10/12
- Material
-
- Polyester
- Nyron
- Mixture
-
- Nylon 47%
- Polyester 44%
- Polyurethane 9%
- Function
-
- Stretch
- Absorbent/quick-drying
- Cool/moisture transmission
- UV protection
- Knitted textile
- Width 150cm
- Length 50m
- Weight 258g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Suits
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Sportswear
- Area
- Oota
-
HS1613
HASEGAWA CORPORATION
- Number
- HS1613
- date
- 2024/04/01
- Material
-
- Silk
- Mixture
-
- Silk 95%
- Polyurethane 5%
- Function
-
- Stretch
- Cool/moisture transmission
- Heat-generating/moisture retention
- UV protection
- Knitted textile
- Width 125cm
- Length 40m
- Weight 168g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- color/design variation available
- Item
-
- Dresses
- Shirtings
- Sportswear
- Inner wear/lingerie
- Sundry items
- Area
- Bishu
This silk fabric is mercerized and added the stretch function.
It should be well fit to your body and be sure to make you comfortable with luxurious touch. -
623102
DAIMATSU CO., LTD.
- Number
- 623102
- date
- 2024/04/01
- Material
-
- Linen/Rammie
- Nyron
- Mixture
-
- Linen/Rammie 90%
- Nylon 10%
- Woven textile
- Width 130cm
- Length 50m
- Weight 156g/㎡
- Stock service available
- Item
-
- Jackets
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Bishu
A yarn-dyed butcher made of linen covered with nylon thread and finished with a washer. Cool feeling and good expression.
-
SILICONE-WAPPEN
IRIS CO., LTD.
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- SILICONE-WAPPEN
- date
- 2023/08/04
- Material
-
- Other
- Function
-
- Stretch
- Water-repellent
- Accessories
- Small batch orders available
- color/design variation available
- Item
-
- Sportswear
- Sundry items
- Accessories
- Area
- Oota
A material made by pulverizing and mixing coffee residue and discarded silicone with silicone, which is safe for the human body. -
JB23228TY
TOYAMA & CO., LTD.
- Number
- JB23228TY
- date
- 2023/06/16
- Material
-
- Woolen
- Mixture
-
- Wool 100%
- Woven textile
- Width 128cm
- Length 30m
- Weight 420g/㎡
- Price
- 3,000 yen or more
- Small batch orders available
- Item
-
- Jackets
- Coats
- Area
- Bishu
Spongy finished super 120's double weave -
B0397
U.T.K CO., LTD.
- Number
- B0397
- date
- 2023/10/12
- Material
-
- Polyester
- Mixture
-
- Polyester 100%
- Woven textile
- Width 160cm
- Length 50m
- color/design variation available
- Small batch orders available
- Item
-
- Dresses
- Pants/Skirts
- Area
- Yonezawa(Yamagata)
Elegant and shiny jacquards textile with Big flower pattern. Good for dress and skirt.-
- Enquiry by e-mail
-
- TEL
- 03-3663-3181
-
5464
FINE TEXTILE CO., LTD.
- Number
- 5464
- date
- 2023/10/12
- Material
-
- Cotton
- Linen/Rammie
- Worsted wool
- Mixture
-
- Wool 50%
- COTTON 41%
- Linen/Rammie 9%
- Woven textile
- Width 140cm
- Length 50m
- Weight 135g/㎡
- color/design variation available
- Stock service available
- Small batch orders available
- Area
- Bishu
-
- Enquiry by e-mail
-
- TEL
- 058-398-6211
-
RICE-BUTTON
IRIS CO., LTD.
- Sustainable raw materials
-
1-c Bio-based chemical fibers/other low impact processes and techniques
- Sustainable corporate social responsibility
-
3 Sustainable corporate social responsibility
- Number
- RICE-BUTTON
- date
- 2023/08/04
- Material
-
- Other
- Accessories
- Small batch orders available
- Item
-
- Suits
- Jackets
- Coats
- Sportswear
- Sundry items
- Accessories
- Area
- Oota
Biomass plastic derived from inedible rice. -
AW34090アルガンオイル
MATSUBARA CO., LTD.
- Number
- AW34090アルガンオイル
- date
- 2023/10/12
- Material
-
- Polyester
- Mixture
-
- Polyester 48%
- Viscose 48%
- Polyurethane 4%
- Function
-
- Stretch
- Heat-generating/moisture retention
- Woven textile
- Width 130cm
- Length 50m
- Weight 275g/㎡
- Price
- Between 1,501 yen and 2,000 yen
- Stock service available
- Item
-
- Suits
- Jackets
- Coats
- Dresses
- Shirtings
- Pants/Skirts
- Area
- Bishu