You'll stay cool, dry, and comfortable when you wear this sleek, supportive running tank from Mountain Hardwear. Made from a high-stretch poly-spandex fabric blend, the Mighty Power Sport Tank Top is designed to dry quickly and wick away moisture for long-lasting performance. Mesh paneling at the center back offers ample ventilation to prevent overheating, while flatlock seam construction eliminates chafing for even greater comfort. The integrated shelf bra provides support where you need it, and reflective trim increases visibility and safety in low-light conditions. Body: 82% polyester, 18% elastane Besso jersey fabric. Mesh Panel: 89% polyester, 11% elastane Mighty Power Mesh fabric. Body-hugging fit. Imported.