They're all a pain in the neck.
The S10s weigh a ton (I have a pair at home that I don't use). The S9s are great. Except they die after 6-months to a year. I've tried other brands and have been disappointed too and have gone back to using wired headphones.
4 x IG Prestige MP, 70 cm, 376 grams, 386 SW, ALU Power @54, Prince Syn Gut 16 @58