In Europe, Nike recently released a Lux version of the Nike Zoom Rival Track Shoes with sole 3M. Nike also put out a rainbow version of the Nike Zoom Rival Track Shoes which looks quite amazing. The colors start with orange and gradates to yellow, green and blue at the bottom. Our writer DV recently spotted at these at a Nike store in Italy so we are note china if they are available in any other European countries or if they might release in the US.