Abstract: Woven fabric, particularly a warp faced fabric, such as a denim fabric, may include a front and a back, a plurality of picks extending in weft direction and a plurality of warp yarns extending in warp direction and bypassing picks at their frontside to define over portions and bypassing picks at their backside to define under portions. The plurality of warp yarns may include frontside warp yarns and backside warp yarns, and the under portions of the backside warp yarns bypass more picks than the under portions of the frontside warp yarns.

Abstract: Woven fabric, particularly a warp faced fabric, such as a denim fabric, comprising a front and a back, a plurality of picks extending in weft direction and a plurality of warp yarns extending in warp direction and bypassing picks at their front side to define over portions and bypassing picks at their back side to define under portions, wherein said plurality of warp yarns comprise frontside warp yarns and backside warp yarns, and the under portions of the backside warp yarns bypass more picks than the under portions of the frontside warp yarns.

Abstract: A fabric with wefts that include hard yarns and elastomeric yarns in a predetermined arrangement such that at least one hard yarn is alternately arranged with at least one elastomeric yarn, the elastomeric yarns having a greater shrinkage ratio than that of the hard yarns; the hard yarns form under portions and over portions with respect to warps, said under portions being formed when said hard yarns pass along the back side of the warps and defining loop portions, and said over portions being formed when the hard yarns pass along the front side of the warps and define connection portions, wherein for each hard yarn, the number of warps passed by the loop portion is at least 6, and the elastomeric yarns form under portions and over portions with respect to said warps in a weave that is tighter than the weave of the hard yarns.

Abstract: A filamentary core for an elastic composite yarn, particularly for an elastic textile composite yarn, comprising at least two elastic performance filaments, wherein each of the at least two elastic performance filaments is capable of being stretched at least about 2 times its package length and has at least 90% up to 100% elastic recovery after having being released from a stretching 2 times its package length.

Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).

Abstract: A method for dyeing, such as vat dyeing, or coating synthetic fibers, such as polyester fibers and/or polyamide fibers, or yarns or fabrics including these fibers can include providing a powdered dye or a powdered precursor dye (powdered leuko dye), or providing an aqueous dye formulation or an aqueous precursor dye formulation (an alkaline aqueous leuko dye formulation). An aqueous system including a lipase enzyme can be provided. The fibers/yarn/fabric can be pretreated with the aqueous system, and the pretreated fibers/yarn/fabric can be coated or dyed with the powdered dye or powdered precursor dye, or with the aqueous dye formulation or aqueous precursor dye formulation.

Abstract: A filamentary core for an elastic composite yarn, particularly for an elastic textile composite yarn, comprising at least two elastic performance filaments, wherein each of the at least two elastic performance filaments is capable of being stretched at least about 2 times its package length and has at least 90% up to 100% elastic recovery after having being released from a stretching 2 times its package length.

Abstract: A filamentary core (3) for an elastic composite yarn (1), particularly for an elastic textile composite yarn, comprising at least two elastic performance filaments (11, 13), each of the at least two elastic performance filaments capable of being stretched at least about 2 times its package length and having at least 90% up to 100% elastic recovery after having being released from a stretching 2 times its package length.

Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).

Abstract: The woven fabric according to the invention comprises a warp and weft yarns, the weft yarns comprise first weft yarns and second weft yarns, the first weft yarns and the warp yarns form a base layer of the fabric, while the at least one plurality of second weft yarns forms an additional layer of the fabric that can be broken under a stress without damaging the base layer to change the appearance of the fabric and of the clothing articles made of said fabric.

Abstract: Woven fabric, particularly a warp faced tabric, such as a denim fabric, comprising a front and a back, a plurality of picks extending in weft direction and a plurality of warp yams extending in warp direction and bypassing picks at their front side to define over portions and bypassing picks at their back side to define under portions, wherein said plurality of warp yams com prise frontside warp yams and backside warp yarns, and the under portions of the backside warp yams bypass more picks than the under portions of the frontside warp yams.

Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).

Abstract: A fabric with wefts that include hard yarns and elastomeric yarns in a predetermined arrangement such that at least one hard yarn is alternately arranged with at least one elastomeric yarn, the elastomeric yarns having a greater shrinkage ratio than that of the hard yarns; the hard yarns form under portions and over portions with respect to warps, said under portions being formed when said hard yarns pass along the back side of the warps and defining loop portions, and said over portions being formed when the hard yarns pass along the front side of the warps and define connection portions, wherein for each hard yarn, an average number of warps passed by the loop portion is at least 6, and wherein the elastomeric yarns form under portions and over portions with respect to said warps in a weave that is tighter than the weave of the hard yarns.

Abstract: A filamentary core (3) for an elastic composite yarn (1), particularly for an elastic textile composite yarn, comprising at least two elastic performance filaments (11, 13), each of the at least two elastic performance filaments capable of being stretched at least about 2 times its package length and having at least 90% up to 100% elastic recovery after having being released from a stretching 2 times its package length.

Abstract: A fabric with wefts that include hard yarns and elastomeric yarns in a predetermined arrangement such that at least one hard yarn is alternately arranged with at least one elastomeric yarn, the elastomeric yarns having a greater shrinkage ratio than that of the hard yarns; the hard yarns form under portions and over portions with respect to warps, said under portions being formed when said hard yarns pass along the back side of the warps and defining loop portions, and said over portions being formed when the hard yarns pass along the front side of the warps and define connection portions, wherein for each hard yarn, the number of warps passed by the loop portion is at least 6, and the elastomeric yarns form under portions and over portions with respect to said warps in a weave that is tighter than the weave of the hard yarns.

Abstract: A fabric with wefts that include hard yarns and elastomeric yarns in a predetermined arrangement such that at least one hard yarn is alternately arranged with at least one elastomeric yarn, the elastomeric yarns having a greater shrinkage ratio than that of the hard yarns; the hard yarns form under portions and over portions with respect to warps, the under portions being formed when the hard yarns pass along the back side of the warps and defining loop portions, and the over portions being formed when the hard yarns pass along the front side of the warps and define connection portions, wherein for each hard yarn, the number of warps passed by the loop portion is at least 6, and the elastomeric yarns form under portions and over portions with respect to the warps in a weave that is tighter than the weave of the hard yarns.

Abstract: A woven fabric has weft and warp yarns, the weft yarns are extending over and below the warp yarns to provide correspondent over portions and under portions with respect to the warp yarns, whereby the ratio length of under portions:length of over portions is such that in the washed fabric the warp yarns corresponding to the over portions are in a position that is lower than the plane of the warp yarns corresponding to the under portions; the final fabric, after washing, has an elongation measured according to ASTM 3107, of at least 30%.

Abstract: A woven fabric has weft and warp yarns, the weft yarns are extending over and below the warp yarns to provide correspondent over portions and under portions with respect to the warp yarns, whereby the ratio length of under portions:length of over portions is such that in the washed fabric the warp yarns corresponding to the over portions are in a position that is lower than the plane of the warp yarns corresponding to the under portions; the final fabric, after washing, has an elongation measured according to ASTM 3107, of at least 30%.

Abstract: The woven fabric according to the invention comprises a warp and weft yarns, the weft yarns comprise first weft yarns and second weft yarns, the first weft yarns and the warp yarns form a base layer of the fabric, while the at least one plurality of second weft yarns forms an additional layer of the fabric that can be broken under a stress without damaging the base layer to change the appearance of the fabric and of the clothing articles made of said fabric.

Abstract: A cotton denim fabrics and method of making denim fabrics that are soft, smooth, bright and include a low twist multiple, a sizing at the surface of the yarn with a viscosity such that the sizing remains substantially at the surface of the yarn, and a dyed cored wherein an indigo dye penetrates deeply into the core.