Descente discontinued selling cycling clothing in the USA some years ago. However, they still make cycling clothing, although you may have to order it from a distributor in another country. The following links may be of some use:
You could try a search at http://www.google.com for 'Descente' and 'cycling' or 'clothing'. If you do find a distributor in the USA or any other country that will sell you Descente products, please send me an e-mail. I'm also looking for replacements for some of my old Descente cycling clothing.