This product was made for the conditions of Flanders in February. Or basically any month in Flanders between September and May.High-loft fleece on the inside provides warmth to spare, and you'll love the softness on your skin with the excellent moisture management of this 100% multi-denier fabric. It's stretchy for a perfect fit, and the flat-lock seams add an extra touch of quality.Features:- SottoZero Fleece multi-denier 100% polyester fabric- Flat-lock stitching- Mesh armpit insert- Flat hem tucks away in tightsSpecifications:- Weight:103 gTechnologies: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.