They have a tongue in them that is no longer made of leather and now made of some "fake" leather, stiff, unyielding. Again so far I like them. They are good quality, and would be great if they were wider. Because I wear these in my home only, the looks aren?t a huge deal to me, however, I have a lot of people over often and cook big meals so I do wear my slippers while making those meals since I?ll be on my feet for hours in the kitchen. After opening the box I immediately noticed that the lower left programmable G key was not manufactured correctly (see photo). In the end, this thing was a huge letdown. The Power of 3 is a compelling and honest view of his experiences, but most of all its how Robb has applied what he knows but was now called to practice and live his beliefs. The music and bass comes in clear and strong and the noise canceling function actually works great! Denn . I have more pairs than I care to admit to but this is my go-to pair ( not this color but style).