I had, and loved, K-Swiss Tubes before, so the only hesitation I had before ordering these was which color to get.  I settled on the blue green.  They are GREAT sneakers.  They are so comfortable and I love taking long walks while wearing them.  After a month of wearing them every other day on average, I have no complaints at all.  In fact, I'm so crazy about them that I just ordered the red ones too.