MyMac.com said:
"I have given them a good workout by using them while running, working out, working in the yard and wherever else I could try them out on without harming myself or others. I've not had them slip off my ear or cause any problems... Highly Recommend!"

Outblush said:
“If you're still using the earbuds that came with your iPod (no judgment), you absolutely must pick up a pair of Innovelis BudFits.” 

PC World said:
“The obvious advantage is that the earbuds no longer fall out easily; in fact, they're secure enough for vigorous exercise. But another benefit is that you may find your iPod's earbuds to be more comfortable, since you no longer have to mash them into your ears to get them to stay put.” 

Wenatchee World said:
“BudFits, a set of soft, rubber ‘hooks’ that attach to each earbud and wrap over the top of the ear for a secure fit.”

Star Tribune said:
“A common complaint about Apple's popular iPod and iPhone devices is that standard earbuds may pop out, especially while running or walking. Innovelis…attacked the problem by creating BudFits.”

Mac Observer said:
“My conclusion is that they (BudFits) do exactly what they're supposed to do and do it very nicely.”

MacWorld said:
“The design helps keep the earbuds in place during physical activities whether you’re running, cycling, snowboarding or whatever it is you like to do.”