The amount of the deal was not disclosed.
Started in 1986, Frontlineshop.com is an online store for man and woman street fashion with a selection of over 300 brands and products including sneakers, jeans and t-shirts to jackets and coats.
It currently has more than one million unique visitors monthly.
Founded by Marc Menasé, Menlook.com allows men to choose from over 250 brands such as Hugo Boss, Ralph Lauren, Tommy Hilfiger, Hackett, Lacoste, Nike, Acne and Kenzo. In addition to Frontlineshop, the French retailer incorporates luxury menswear designers from oki-ni.com, on-trend and design watches site Timefy.com and French tailoring shirt website SaintSens.com. The company, which also produces The Menlook Tribune, an editorial experience covering all topics of interest to men, is backed by Partech Ventures, Orkos Capital, Indinvest Partners, BpiFrance and 123 Venture.