Jean Genie

It has withstood the wear and tear of cowboys, bikers, rock stars and moms for more than 100 years. It is trending on ranches and catwalks simultaneously. It’s sailed the high seas and seen revolutions, but denim is put to the ultimate test when tween girls get their hands on it. Can old blue meet their demand for glitter, glitz and glam? Can designers make the gritty fabric twirl? And will denim ever stack up to their older sister’s trendy wedge sneakers and chic accessories? We think these items will surpass even tweens’ expectations. —A.V.