call them manx, the male equivalent of the physique enhancing shapewear.ding a third option to the endless tug-of-war between boxers and briefs. >> the underwear is spanx. >> i'm wearing spanx right now i can tell thaw. >> they do something for you down there. >> reporter: who knows for sure if it's really just a joke. spanx did indeed help a hollywood costume department transform adam sandler from jack to jill in his 2011 comedy. >> a little soul. >> reporter: blakely breathed new life into the tierld old tees and tank, good-bye undershirts and hello game changer. the compression teechlt promising to enhance your before to after. >> i saw a real opportunity talking to my brother, my dad and my husband and so i thought, why don't we make the men's undershirt give them a little bit more, you know, a cleaner look under their suits. >> reporter: but blakely isn't neglecting women now adding control tops to yoga pants. >> a little point like a tummy tame. >> reporter: and lululemon and athleta are doing the same. turns out women are willing to spend beaucoup b

blakely is the world's youngest self-made female difficult onair, thanks to spanx, tight-fitting shapewear for women, an idea that came to her while she was getting dressed for a party. >> there was a void for undergaunder d undergarments for women. so they created a shaper like a second skin. >> it will suck you in without being too tight or uncomfortable. >> i'm getting married and i need something that can hold in all the goods so nobody can see something only your husband should be seeing. >> she sold over 10 million pairs around the world without spending a dime on advertising. >> if a girl tells you at a cocktail party or sitting is the a restaurant about a product, you tend to become much more loyal or interesting in it than if somebody showed you a glossy picture in a magazine. >> especially when that girlfriend is oprah. >> i've given up panties. i wear spanx. that's more information than you all need to know. >> one mention from oprah and 20,000 pairs of spanx were sold in less than a day. >> it's like winning the lottery as an entrepreneur. >> but blakely's road to success didn'

tight-fitting shapewear for women. . that came to her getting dressed for a party. >> there was a void for undergarments for women. spanx came out and kree yalted a completely invisible, lightweight shaper that became second skin. >> they give you a nice shape. suck you in without being too tight and uncomfortable. >> i'm getting married and needs something to hold in the goods to nobody see anything that only your husband should be seeing. >> she sold 10 million pairs all over the world. without spending a dime on advertising. >> the girlfriend tells you at a cocktail party or at, you know, sitting at a restaurant about a product, you tend to become much more loyal and interested in it, i believe, than if somebody shows you a glossy picture in a magazine. >> especially when that girlfriend is oprah. >> i've given up panties. i wear spanx. that's more information than you all need to know but -- >> one mention from oprah and 20,000 pairs of spanx were sold in less than a day. >> you can imagine it's like winning the lott