Vintage L Long Sleeve Gray Striped Munsingwear Cardigan Sweater from the 80s

Vintage L long sleeve gray/purple with faint light blue stripes cardigan sweater from the 80s.  V-neck button front. Brand is Grandslam by Munsingwear. 

Blend:  100% acrylic?

Pit to Pit: 25"

Length: 27"