Wigens 100% Cashmere Ivy Style Cap Made from Loro Piana Storm System(R). Loro Piana Naturally - Technical. Loro Piana Storm System(R) is an extraordinary generation of fabrics that combines the insulating and thermal protection of cashmere with protection against wind and rain. Cap is rich and soft. Cap is fully lined in satin. Small Wigens metal mark on the left side of the cap. This is an outstanding cap from Wigens. Wigens says - Use your head.