Made to be the perfect vest. GORE-TEX INFINIUM™ WINDSTOPPER® wind and water protection on the front, and a breathable nanotechnology water-repellent back. Stretch fit, and packable into half a pocket when not needed. This is a core piece of your cycling wardrobe.The Perfetto RoS 2 Vest is our attempt at the perfect vest. It´s warm and windproof yet breathable thanks to the Castelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® fabric on the front and the membrane-free Nano Flex stretch woven back fabric. It´s splash resistant for wet roads or changing conditions. It´s light and packable, easily fitting in a jersey pocket with room to spare. It has three rear pockets of its own and a two-way YKK® Vislon® zipper you can open from the bottom to access gear in your jersey pockets. It has 360° reflectivity thanks to the reflective trim on the armholes and reflective band below the pockets. It fits close to body with a high collar that feels oh-so-comfy for cooler conditions.Features:- Best race or training vest with windproof front and breathable rain-repelling back- GORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch lightweight fabric on front- Nano Flex Light Woven on back for breathable stretch with good water protection- Top- and bottom-opening YKK® Vislon® zipper for easy ventilation adjustment on the fly- 3 rear pockets- Reflective panel at bottom of pockets and around armholesSpecifications:- Weight: 195 gTechnology:Polartec® NeoShell®:- Lightweight fabric designed for clothing worn during physical activity of long duration and intense effort in extreme conditions. Extremely breathable, waterproof and windproof. Offers maximum freedom of movement and protection.