Lightweight and packable wind shell that fits close to body with a stretch breathable back and high collar.Features:- Impossibly light weight and compact wind vest- Printed woven front and shoulders with low air permeability to block wind while remaining breathable- Mesh back for full breathability- YKK® Vislon® zipper for easy opening and closingSpecifications:- Weight: 105 g- Temperature: 12°C - 20°C / 54°F - 68°F- Fit: RaceTechnical Features: - Breathability: 5/5- Lightness: 5/5- Insulation: 3/5- Waterproofness: 1/5- Windproofness: 3/5Technology:Rosso Corsa:- Our Rosso Corsa label is only applied to the highest-level products we make. Every thread and fiber, every curve and contour is obsessed about. Rosso Corsa represents a categorical breakthrough in cycling innovation and the meticulous craftsmanship you expect from Castelli's performance-enhancing apparel.