A high spec hybrid woven insulated jacket with minimum pattern cut offering warm, seamless, unimpeded comfort and mobility. S. I. O minimum pattern cutting means fewer parts, fewer seams, better waterproofing, greater freedom to move. BOA Fit System offers simple, one-touch dial adjustment turn to tighten & quick release. - Hood fitting is effortless and instant. - Body fit and warmth are precision controlled. Bemberg 3D insulation material is a pure cellulose by product of cotton manufacture rarely used in textiles. It is heat generating, moisture absorbing and environmentally sustainable. Dual Zip Adjustment offers parallel full front zips with a concealed panel giving the option of expanding the jacket size to allow layering choices for varying weather and temperature conditions.