The layering foundation for riding in cool conditions with long sleeves for full-arm thermoregulation and moisture management. The latest generation is lighter with a more versatile insulation gradient that adds warmth to critical areas and increases breathability. The new Spring Fall Skin Layer is 15% lighter than its predecessor. Despite those lost grams it also has a more versatile construction increased collar coverage improved odorControl and a more streamlined body-mapped fit. The textile is woven tighter on the front panel to provide more insulation where warmth is critical. On the back and under the arms a more open weave increases breathability and works to actively modulate your microclimate’s temperature expelling excess body warmth to prevent overheating during full-gas efforts. 71%PP 22%PA 4%EA 3%CF