5 or 10 and a half inch measurement. I cant even tell you how many times I had to stop to adjust the straps because the velcro kept coming loose and popped off the heel because I LOST COUNT. Pads received in December 2020 are good for the Sony MDR-7506. A few small notes, mildly good and mildly meh. There is random hum and I have also picked up a local radio station with them (very quiet though). but they are an utter minority. Higher lows (towards the mids) such as woody kick drum sounds, disappear into a bass sogginess, whereas the MT5 everything in the lows is amazingly defined, has super presence, clarity and is spread out over a wide freq response. Llegaron mucho antes de lo previsto hasta Nayarit ?? I am very unhappy with the quality of these. 478 seems to have fixed this particular gripe, and settings are now saved and restored after a restart) it doesnt save your last selections (defaults back to stereo and no default music preset.