They do not keep your ears cooler. Its pretty sturdy and well built. I used a small level to make sure I installed them level. " and then a beat after told us, "Ouch, mama. Bearpaw contacted me the next day to ask if i wanted to change the color to the tan ones because of the black on my feet. Will not buy this terrible product. Adds just enough cushion to your steps when walking on all the concrete surfaces we seem to have now at work and some people have concrete slabs they live on. I had 3 business days to accept their offer and then would have to wait for them to decide if I qualify. I received these JBL headphones today and was very disappointed. Arrived and problems started after several hours trying to make it work.