ALIGNMED Postural Fitness Mens Shirt – Size L – black – Full zip jersey top. Material: Body 80% Polyester, 20% Spandex. Contrast 1: 100% Polyester. Contrast 2: 78% Nylon, 22% Spandex. Features: Full front zip closure, crew neck band collar, short sleeves, stretch athletic fit, jersey knit construction, zipper accent. Care: Machine wash cold, gentle cycle; do not bleach; hang to dry; do not iron; do not dry clean. Made in China. RN# 120820. See photos for tag close-ups and construction details.