Like all of new technologies, they will become cheaper over times as well as more efficient in their integration, i.e. lighter, more comfortable, more effective as well as being fitted to a greater range of clothing to give higher levels of protection.
There will always be the segment of the market which will shun such technology like the hard core road racing cyclist who removes a 20 gram bicycle bell to reduce weight and shaves his legs and gets his manhood circumcised to reduce wind resistance.