Giro Chrono Long Sleeve Base Layer 2025

To perform during the most intense rides this unisex form-fitting Chrono Long Sleeve Base Layer manages perspiration features extra insulation and will keep you doing what you do best. The key to thermal regulation in cold weather is moisture management. The Chrono™ Long Sleeve Base Layer is engineered with our proprietary Wikpro™ fabric in a seamless construction to keep you warm dry and comfortable in cold damp conditions. Wikpro is a proprietary blend of polypropylene and nylon knit that enhances moisture transfer while staying soft against the skin and providing great rebound and fit. This is the same fabric proven in our popular Chrono SL Base Layer but constructed in a heavier weight for extra insulation. WIKPRO™ FABRIC — WikPro fabric is a proprietary blend of polyester and nylon knit that enhances moisture transfer with an incredibly soft feel against the skin and exceptional stretch. 60% nylon 30% polypropylene 10% elastane