Vintage 90s TSR Outdoors Half Zip Grandpa Sweater Chunky Knit Pullover. Chunky knit sweater in the best earth tones tan, beige, and gray. A mock neck style half zip pullover sweater. Fair Isle and herringbone patterns. 

There does not appear to be a material tag but it feels like wool. 

Made in the USA

Men's size medium

Measurements with the garment laying flat:

Pit to pit: about 21 inches

Length: about 24 inches