The Skin Layer line is the latest innovation to exit the doors of our lab, having been fussed over by our product team until we were finally satisfied. This protective layer sets the foundation of our ASSOS Layering System, doing the job of keeping your upper half lightly insulated and dry in the cool, challenging conditions of spring and fall.

A total first-layer reset, the Spring/Fall Skin Layer is now roughly 11% lighter than the Skinfoil that came before. The Circular Seamless construction is free of any irritating side seams, creating a uniform tubular knit that's ultrasoft against the skin.

A cool-weather-tuned blend of carbon and polypropylene yarns are now used, managing moisture and insulating much better than previous iterations. The result is a smooth, insulating, antibacterial short-sleeve first layer that keeps your core dry and protected under your outer layers.