An upper (1002; 1032; 1062) for an article of footwear (100; 100a; 1000; 1030; 1060), comprising: a knit textile (102; 300; 1082; 1085) comprising a thermoformed network of interlooped yarns (708, 710) comprising a first core yarn and a first polymeric composition, wherein the first polymeric composition consolidates the thermoformed network of interlooped yarns (708, 710) by surrounding at least a portion of the first core yarn and occupying at least a portion of spaces between yarns in the thermoformed network of yarns, wherein the thermoformed network of the knit textile defines at least a portion of a surface of the upper (1002; 1032; 1062) configured to be externally-facing when the upper is part of a finished article of footwear (100; 100a; 1000; 1030; 1060); characterized in that the first polymeric composition comprises a thermoplastic elastomeric polyurethane, and wherein the first polymeric composition has a Durometer Hardness using a Shore A scale of from 70 to 80, as determined using the Durometer Hardness Test as determined by ASTM D2240, using a Shore A scale; wherein the thermoformed network of yarns is the thermoformed product of a first textile comprising a first network of yarns including a first coated yarn comprising the first core yarn and a first coating, the first coating comprising the first polymeric composition, the first core yarn comprising a second polymeric composition, wherein the first coating is axially centered surrounding the core yarn, a nominal average outer diameter of the coated yarn is up to 1.0 millimeter, the first coating has an average radial coating thickness of 50 micrometers to 200 micrometers, and wherein, in the thermoformed network, the first polymeric composition consolidating the thermoformed network of yarns (708, 710) is the re-flowed and re-solidified product of the first polymeric composition of the first coating of the first coated yarn; wherein, in the first coated yarn, the first polymeric composition has a first melting temperature greater than 110 degrees centigrade and less than 190 degrees centigrade, the second polymeric composition of the core yarn has a second deformation temperature, and the second deformation temperature is at least 50 degrees centigrade greater than the first melting temperature of the first polymeric composition, wherein the second deformation temperature is the Vicat softening temperature determined according to the test method detailed in ASTM Tm D1525-09 Standard Test Method for Vicat Softening Temperature of Plastics, using Load A and Rate A; wherein the at least a portion of the surface of the upper (1002; 1032; 1062) defined by the thermoformed network has a total surface area of at least 1 square centimeter, and within the total surface area, at least 15 to 100 percent of the total surface area comprises the first polymeric composition. a knit textile (102; 300; 1082; 1085) comprising a thermoformed network of interlooped yarns (708, 710) comprising a first core yarn and a first polymeric composition, wherein the first polymeric composition consolidates the thermoformed network of interlooped yarns (708, 710) by surrounding at least a portion of the first core yarn and occupying at least a portion of spaces between yarns in the thermoformed network of yarns, wherein the thermoformed network of the knit textile defines at least a portion of a surface of the upper (1002; 1032; 1062) configured to be externally-facing when the upper is part of a finished article of footwear (100; 100a; 1000; 1030; 1060); characterized in that the first polymeric composition comprises a thermoplastic elastomeric polyurethane, and wherein the first polymeric composition has a Durometer Hardness using a Shore A scale of from 70 to 80, as determined using the Durometer Hardness Test as determined by ASTM D2240, using a Shore A scale; wherein the thermoformed network of yarns is the thermoformed product of a first textile comprising a first network of yarns including a first coated yarn comprising the first core yarn and a first coating, the first coating comprising the first polymeric composition, the first core yarn comprising a second polymeric composition, wherein the first coating is axially centered surrounding the core yarn, a nominal average outer diameter of the coated yarn is up to 1.0 millimeter, the first coating has an average radial coating thickness of 50 micrometers to 200 micrometers, and wherein, in the thermoformed network, the first polymeric composition consolidating the thermoformed network of yarns (708, 710) is the re-flowed and re-solidified product of the first polymeric composition of the first coating of the first coated yarn; wherein, in the first coated yarn, the first polymeric composition has a first melting temperature greater than 110 degrees centigrade and less than 190 degrees centigrade, the second polymeric composition of the core yarn has a second deformation temperature, and the second deformation temperature is at least 50 degrees centigrade greater than the first melting temperature of the first polymeric composition, wherein the second deformation temperature is the Vicat softening temperature determined according to the test method detailed in ASTM Tm D1525-09 Standard Test Method for Vicat Softening Temperature of Plastics, using Load A and Rate A; wherein the at least a portion of the surface of the upper (1002; 1032; 1062) defined by the thermoformed network has a total surface area of at least 1 square centimeter, and within the total surface area, at least 15 to 100 percent of the total surface area comprises the first polymeric composition.