what are the different styles of levi's?
['501® Original. Button Fly. Sits at Waist. ... ', '501®Original Shrink-to-Fit. ® Button Fly. ... ', '505™ Regular. Zip Fly. Sits at Waist. ... ', '510™ Skinny. Zip Fly. Sits at Waist. ... ', '511™ Slim. Zip Fly. Sits Below Waist. ... ', '513™ Slim Straight. Zip Fly. Sits Below Waist. ... ', '514™ Straight. Zip Fly. Sits Below Waist. ... ', '517™ Boot Cut. Zip Fly.']