We built the Inferno to be one of our most versatile and comfortable pieces that excels at mid-layer performance as well as being the perfect every-day chill-killer. The perfect balance of midweight warmth, it is the mid-layer jacket that you can trust before and after the ride. Klim Inferno Jacket Midweight polyester stretch high performance fleece engineered for moisture wicking performance, breathable warmth, and unrestricted freedom of movement Smooth face outer fabric and a brushed fleece backing with added 4-way stretch provides warmth and comfort Anti-pilling fleece Full-zip fleece jacket has a zip-through stand-up collar for heat-trapping comfort Flat seam construction with offset shoulder seams for easy layering and reduced bulk 2 zipper secure handwarmer pockets and 1 zipper secure chest pocket for convenient storage Drop tail hem for increased coverage Zipper garage for next-to-skin comfort YKK® zippers Regular Fit