Only a week or so, if I recall. Paper towels helped me, but they never fit perfectly symetrical on my head and I never liked the idea of stuffing wads of paper into expensive headphones just so I could get relief from the pain of wearing them. Despite that, I was willing to keep them untill I...

After picking up these headphones, I soon returned them. This is why. 1. They get HOT. Due to the memory foam, my ears were sweating under these. 2. They leak more sound out than in. 3. The reduced treble left some parts of songs lacking - cutting out vocals almost entirely at some points...