A4 Men's Moisture Management V-Neck Muscle 100% Polyester Machine wash cold, use mild detergent, do not bleach, tumble dry low, do not use fabric softeners, remove promptly do not iron, Contrast Shoulders Superior moisture wicking Ultra-tight knit Better opacity and printability Stain release Odor resistant for easy care Fade and snag resistant for durability 30+ upf for uv sun protection Mitered v-neck