Vintage short sleeve 100% cotton Size M crew neck rust Sweater

Vintage short sleeve 100% cotton Size M crew neck Sweater sort of an orangey, brown, rust color by American Portrait Sz M 100% cotton machine wash Approximate measurements: laying flat; 22 inches from center back to bottom of shirt waist; 20.5 inches from armpit to armpit Pre-owned - mild softening of fabric; a ton of life left