Under Armour Longsleeve Striped Hooded Tee Size Small

Under Armour Hooded Pullover Top Long sleeves with thumb holes Blue, white, and grey stripes Care tag and size tag are missing. Unsure of size and fabric. Please review measurements. Listing as a size small Armpit to armpit 20 in Length 26 in Measurements are approximate and taken flat Smoke free and pet friendly home stripes, athleisure, athletic, casual, workout