get a refund check in the mail. the company agreed to pay $25 million to settle claims over its advertising. the government says some of the claims just aren't true. here is abc's linsey davis. ♪ shake it up >> reporter: reebok's run tone and easy tone sneakers promise to tone your legs and other assets just by walking in them. >> better legs and a better butt with every step. >> reporter: the shoemaker claimed its design increased muscle activity without someone even knowing it. reebok spent $64 million on advertising alone, paying big names like the kardashians, as well as actors and models, to sell the shoes. >> reebok easy tone, proven to tone your hamstrings, calves and butt up to 28% more. >> reporter: but the government said, not so fast. saying it's deceptive advertising. there is no scientific proof to back up reebok's claims. the shoemaker agreeing to pay the $25 million settlement. >> reebok's claims didn't withstand scrutiny. consumers expected to get a workout, not to get worked over. >> reporter: these types of