1 of 1 people found the following review helpful
Sound very good, comfort getting there,
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This review is from: Klipsch Image S5i Rugged Headphones with 3-Button Mic for iPhone/iPod- Rubber / Black (Electronics)
It appears that slowly the earplugs adjust to the size within your ear therefore you can get the best sound once up and running. I use them at the gym for working out with weights and the tridmill and running outside.