I bought these after looking to get some smaller tips for my Ultimate Ears Triple.Fi 10s as the ones i had for it hurt my ears after a short time which lasted for a few days after use. It was so bad that i stopped using these headphones altogether for a long time.
Recently i went on to the Ultimate Ears accessory site looking to see if they did smaller tips and noticed these were linked so i took a look on their website and also at various reviews for them. I thought i would give them a go since they couldnt really be any worse than the ones i had already (the original silicone ones). I wasnt sure what size i would need so was glad i found the multipack set. Turns out the small ones are better for me, i was using the medium silicone ones. I tried them the same day they arrived and was amazed at how comfy they are, there was no pain at all and my ears were fine the next day too. I also realised just how good these headphones sounded since i had not used them for such a long time.