These are what I ordered, https://www.amazon.com/Brainwavz-Memory-Replacements-Earpads-Headphones/dp/B00MFDX4YO
They do reduce isolation a bit and im sure leakage as well but its not enough to bother me. Now that I have gotten used to the velour pads I cannot go back to the stock pads. One thing I really liked is after wearing the headphones for long hours my ears would get hot, With the new Velour pads this is no longer the case.