Jessica Simpson is expanding her fashion experience to sports by launching her own activewear line called "The Warm Up."

According to E! Online, together with the activewear line's launch is the debut of the singer entrepreneur's impressive figure.

"The Warm Up" is said to be a combination of fashion and function for women who work on keeping their bodies in shape. The activewear line is now included in the Jessica Simpson collection and is available in Macy's for a retail price of $24 to $49.

Simpson's activewear collection includes various type of apparel such as sports bras, leggings and track jackets. The seamless tank tops optimize comfort while the sports bras' removable cups and bottom bands prevent the apparel from tripping up.

The products use Extraordin-Air fabric that allows comfort, breathability and softness. In her statement, Simpson said, "Maintaining a healthy lifestyle is important to me, and fitness has been a priority in my life since having my kids. Everything we do from the line comes from an organic place."

She also revealed that "The Warm Up" collection was designed to complement all body types in order to make women feel good about themselves no matter what type of activities they do.

The basic principle of "The Warm Up" is all about being stylish without compromising functionality. Simpson also revealed that the pieces included in her collection feature a combination of great ideas and technology to serve the apparel's purpose of doing activities without sacrificing style, fashion, comfort and functionality.

"It's a blend of great active features, technology and fashion," she said.

"As with everything we do [with the JS collection], we want women to feel good in their skin and what they're wearing. Our busy lifestyles can take us from the gym to errands or out to lunch, so the styles have to be cute and versatile, but entirely functional for your workouts. It's how women are dressing today," Simpson added.

Meanwhile, Simpson looked fit on her activewear promotion. According to Us Weekly, the singer/entrepreneur/actress debuted her toned physic during the photo shoot of "The Warm Up" ads. The photoshoot showed Simpson wearing some of the activewear line's apparel including a booty shorts and a pair of capris. The chosen activewear clothing during her photo shoot complemented her new physique.

 Are you interested in trying Simpson's new activewear line? How will "The Warm Up" fare with other big sports brand?