Open-ear earbuds: A comparison

I've recently been curious about open-ear earbuds since I've been having so many problems with my ears hurting and/or getting infected from wearing earbuds that block the ear canal. I also recently got a pair of Bose Quiet Comfort Ultra 2 over-the-ear headphones, and whatever material their ear cups are made of made my skin break out. 😩 So I had to get some cooling gel, memory foam ear pads for…