The Assos Spring/Fall Long Sleeve Skin Layer has an extremely precise fit to lay comfortably against the skin of a rider with full arm coverage. This layer uses a medium weight knit to lightly insulate the body in cooler temperatures without the risk of overheating your core through a high-effort ride. It also effectively keeps moisture away from the body for the sake of comfort and sweat management. A specialized construction is completed without seams to feel as comfortable as possible against the skin with no risk of irritation. This smooth antibacterial shirt will keep your core insulated, dry, and protected under the outer layers. The Assos Spring/Fall Long Sleeve Skin Layer is a must for riders looking for extra coverage on cool weather spring and fall rides.