This warm, comfortable ski jacket is a replica of one developed jointly with the Swiss national ski team. Its superb wearability, comfort and freedom of movement derives from the precise body fit created by our unique minimum pattern S.I.O ※1 cutting technology. A front Dual Zip offers flexibility and stability with layering choices.※1 A unique paper pattern technology that factors in material characteristics and sewing specifications, and allows fewer seams for improved comfort and greater mobility.