4. DUDS: To beat the scorching July sun, Armstrong will slip on Nike's new HC jersey. It's 27 percent lighter than a standard Lycra or CoolMax top and combines three densities of fabric for superior ventilation. For the time trials, Armstrong will wear Nike's new Swift Spin skin suit. It's made of four types of patented Zoned Aerodynamics fabrics that cover different body parts, depending on their volume and exposure to wind. Nike's apparel innovation director, Rick MacDonald, says
the suit could save Armstrong up to
a minute in an hour-long trial. It's strictly for the pros, but the HC top
will retail for about $100.