I would have thought when you spend nearly $300 on a pair of ear phones the the back up replacement would be the same leather type of Ear pad not this cheap plastic replacement. Am Kopf war er WM60 sehr bequem - ein erster Hörtest macht Eindruck. Im also comparing them because the Er2xr is what I will still use for sleeping, besides these, as these foam earplugs cant quite completely replace them. They are suede not leather need them for work and when you look at them in line they look like leather If you plan on using the headset on the plane or something it could be a hassle, but for me it wasnt. They fit but looked like big square boxes on my feet. For a headset labled "Sprint" they should stay in your ear when you jog. Just click add to cart! Need to adjust the height for regular tall kitchen upper cabinets 3 lbs (599 g)Cable Length (Power/Charging): 5.