The most frequently asked questions is "What is the difference between the Original SKII fabric and the Fleece SKII fabric?" The Original SKII fabric has a slicker, smoother feeling outershell and works best in early season, cool temperatures. The Fleece SKII fabric is a fleece outer shell and works best in cool to cold temperatures and is very quiet. Both fabrics have the same highly breathable membrane and fleece liner to complete the 3-layer StormKloth II fabric.