Hanes Sport Women’s Performance Mesh Inset Tee:100% polyester. Cool Comfort fabric wicks away sweat to keep you cooler. Cool DRI technology dries fabric faster for maximum comfort. Mesh insets at v-notch and across the lower back provide ventilation to keep you cool. Hidden zip pocket in back holds key or credit card. Tag-free for itch-free workouts. Sporty hi/low hem gives you more coverage in back. Machine wash cold with like colors. Remove promptly. Use only non-chlorine bleach when needed. Tumble dry low. Cool iron if needed.