Cordura1 International Fiber Journal April 16, 2018 9 Views Crye Precision’s uniform is made with its VTX ripstop material above, constructed with stretch CORDURA® NYCO Extreme fabric that utilizes INVISTA T420HT fiber technology. Crye Precision’s uniform is made with its VTX ripstop material above, constructed with stretch CORDURA® NYCO Extreme fabric that utilizes INVISTA T420HT fiber technology.