Patagonia Women's Nano Puff Jacket Bottoms Stability and Power at Speed Stability and Power at Speed Omega Titanal U shaped reinforcement enhances torsional rigidity and provides stability under pressure Versatile Performance A combination of modest tip and tail rocker creates an easy to turn ski while retaining carving grip and control through every turn Efficient Power Transfer ABS sidewalls drive energy to the edge of the ski for increased solid edge grip and control It features a seamless Kevlar® reinforced Matryx® fabric upper that combines hiking comfort and durability with climbing performance plus an oversized heel for softer cushioning and smoother landing this iteration of the Nano Puff reinforces why so many people call this the “magic jacket ™ (Produced Using Reduced Emissions) technology