Depends on how you are planning to attach the unit. I have not tried skin as everyone here says that if you use tape and not a full head bond, you sweat a lot and the unit makes a funny sound when you touch it. Yet there are some that use only tape and don't seem to have a problem with heat.

Up till a month ago I wore a TL250 type unit but I did not like the lace front, I never felt that I got a secure attachment and the unit scratched me and I itched as well. I now wear a lace unit with pu all the way around and it is so comfortable and the attachement is super secure. I only use tape and change it every 7 days.

Someday I am going to order a skin unit just to see for myself (as an extra unit) and I also recently asked if John could provide the TL250 with a skin front and he confirmed that the factory could do it. That might be a possible option for you?