Simple, lasts a while, easy replacements. Sits really flat, so easy for wearing gloves on slopes or grabbing a bar belt.

It grabs a bit of dust / lint new, but that seems to go away after a couple days of use and a few showers.

I have both an Edge ring and a "Solid" ring, much prefer the Edge. The Solid is a bit more durable, but less comfortable.

I've had to replace a few-- I lost one and another destroyed through repeated power lifting --and the warranty is pretty simple. Do note you have some cost associated-- at present a $5 processing fee + $5 shipping --but still worth the higher build quality over the cheap ****.