Vintage Neon Turtle neck sweater

This little turtleneck is made of acrylic. It is a bright neon orangey red colour. Back zipper. Vintage 1960's or 1970's. In really great vintage condition. No damage or flaws. Freshly laundered. The size tag is large but the measurements are more consistent with a modern small to medium. The lay flat measurements are as follows: pit to pit 16 to 19 inches sleeve is 23 inches shoulder to shoulder is 16.5 inches length is 24.5 inches