Features. Adult Moisture Management V-neck Muscle. 100 Polyester Interlock - 4 oz.. Moisture wicking. Odor resistant. Stain release. Ultra tight knit resists snagging. Contrasting white shoulder panel. Color - Cardinal White. Size - Medium. Item Weight - 0.42 lbs.Care Instructions. Machine wash cold.. Use mild detergent.. Do not bleach.. Tumble dry low.. Do not use fabric softeners.. Remove promptly Do not iron.