The protein leather cushions are supple and silky, and the memory foam filling them is magnificent. I had to screw them to the door to get them to work. Sennheiser HD 4. I use Bluetooth headphones while working fast manual labor. Great fit and soft comfortable sole. They fit very tightly and are very narrow. Not usb C. braided & woven. I wore them for the first time on Friday, the day that they arrived. 3 mm.