New Mom January Jones Slips into $900 Leather Pants!

 Tom Meinelt-Jason Winslow/Splash News Online

January Jones is one edgy mama!

After debuting "rose gold" streaks in her hair last week, the new mom, who gave birth to son Xander in mid-September, slipped into skin-tight black leather pants!

While walking through NYC on Monday, the Mad Men star showed off her slim and trim post-baby bod in J Brand Super Skinny Leather Leggings paired with a fur-trimmed toggle coat and a grey, loose-fitting top.

Jones' leggings comes at a pretty price, however. The luxe, 100 percent lambskin leather pants retail for $895! They also come in grey, red and white. (Get them at

PHOTOS: Would you wear these spring style trends?

The 34-year-old isn't the only star who has taken a liking to the slick and edgy leggings. Lauren Conrad couldn't get enough of the pair from her Paper Crown collection last fall while Kristen Stewart was spotted teaming hers with a delicate and feminine blouse in London earlier this month.

Sign up now for the Us Weekly newsletter to get breaking celebrity news, hot pics and more delivered straight to your inbox!

Want stories like these delivered straight to your phone? Download the Us Weekly iPhone app now!