Santini: Engineered in partnership with POLARTEC Made with Polartec's Power Wool series of fabrics, an incredible line of products that use a combination of natural and synthetic knits to produce highly efficent thermo-regulating, advanced materieals; offering all the natural benefits of an internal wool structure, with its warmth retention and unparalleled moisutre management with sythetic counterparts that form the outer face providing quick drying times, shape retention and durability. COMFORT IN A WIDE RANGE OF TEMPERATURESPerfect to face a variety of weather conditions and temperatures, spanning from frosty winter spins to the unsettled weather that can come with early spring rides.HIGH VISIBILITYDistinctive iridescent reflective thermo-adhesives details on the lower legs.POWER WOOLPoly and wool grid stretch with superior wicking action on the back. Extremely comfortable next-to-skin.