The US X Factor host and hubby Lamar Odom have set up a store on the website to flog their unwanted belongings.And reality star Khloe recently added a whole heap of her clothes to the site, including some pre-owned sports bras and jogging bottoms.Khloe tweeted a link to the eBay page yesterday, and added: "New year, new wardrobe!”Among the items up for sale are an Under Armour Heat Gear White Sport Bra Size M, a Nike Fit Dry Purple Sports Bra Size S and a pair of Kardashian Kollection Grey Drawstring Tie Sweatpants Size M.The site reveals that all sold "auction items benefit Cathy’s Kids”.The charity, set up by LA Lakers star Lamar, helps under-privileged kids and supports efforts to find a cure to cancer.Lamar lost his mum to the disease when he was just 12.