This could be attributed to the fully open design on the 660 verses the open port on the GSP500. They fitted well in my regular size and are quite stylish. twistlock hooks There was also a bit of experimentation with the different tips and fins needed to achieve my desired ear fit and optimum sound (especially the heavier bass response that I love! I wear these shoes almost everyday and they seem to be holding up very well. twistlock hooks They are alright. twistlock hooks Not on length as much as the limit of the straps. I like how they are adjustable on the heel, cover strap and also width with a string tightener. Hes not a stupid man. twistlock hooks Bought the same size as my other 4 pairs and have worn Birkenstock Madrid’s for years. I didnt download the Sony Music Center app.
twistlock hooks