The KUHL EUROPA 1/4 ZIP sweater features Alfpaca fleece. Its performance as a technical mid-layer can't be matched for warmth, and durabiltiy. Flatlock stiching. YKK USA zippers for reliable performance. Kuhl Europa 1/4 Zip Sweater Features:Alfpaca fleece: 22% Acrylic, 88% PolysesterExclusive Alfpaca fleece knitted with multi-toned yarns providing a richness and depth not seen in other fabrics.The Europa features a shearling lined collar for added warmth-- with a YKK zipper for temperature control.Flatlock seams for increased strength and reduced bulk.YKK zipper for strength and durability.Contrast stitching highlights athletic lines