There are days when jeans aren't enough. Days when you tire of the West's stiff rough denim and sleazy spandex and yearn for loose brilliant silks that will brush against your breasts and swirl about your limbs. Go, then, to the Econo Lodge, a tacky little motel at 4575 N. Lindbergh Blvd. (314-731-3000), and wait for the Indian man to come. Lily Sarees & Suits Boutique, his traveling sale is called; it's part exotic bazaar, part exhibit-hall demo, filling the Econo Lodge conference hall with rack upon rack of poetic Indian and Pakistani clothing. There are choli, silk salwar kameezes, saris, the softest cotton pajamas, linen tunics and drawstring pants, pashmina shawls. Don't feel bashful, American-born wannabe; imitation is the highest form of flattery. Plus, you'll get a free multicultural lesson in the origami of sari-wrapping.