Castelli Prefetto Vest
The Perfetto Vest rocks the same Windstopper X-Lite Plus fabric on the front and shoulders as the rest of the Perfetto line, which places the most protection where body meets wind. Windstopper X-Lite Plus has 1.4 billion impossibly small pores per square-inch that guard your microclimate jealously. They don't let wind or rain in, but they do let water vapor out. And when the marketing materials claim this fabric is windproof, you can actually believe them. A given material's wind resistance is measurable in a rating called CFM, which stands for cubic feet per minute, used to measure the volume of air that passes through a fabric in, you guessed it, one minute. In order to be considered truly "windproof," a fabric must register a CFM of equal to or less than 1.0. All fabrics bearing Gore-Tex's Windstopper branding meet or exceed this rating, so they are literally windproof.
The vest's back is made with Nano Flex Light instead of Windstopper X-Lite Plus, which is one of the only apparent variances in construction between the Perfetto Vest and the Perfetto Jersey. Nano Flex Light is a flexible, thermally insulating material that's been coated with countless nanofilaments in order to add water-resistance. It gives flex across your shoulders and ventilates better than the vest's front, helping to regulate your body temperature for rides where the full Perfetto would be too warm and addressing a wider range of conditions with additional layering versatility.
Condition: New in bagThe Fun Details:
Model: Prefetto Vest
Color: Cannondale Green
Zipper: Full Length