Material: 80% Polyester/20% Spandex. Crafted with our innovative new Tech Stretch Fabric, this tank has four-way stretch, a soft, smooth feel, and moisture-wicking technology. Tech Stretch is Blue Sign Certified, created with a low-environmental impact. Our Tech Stretch Tank is sleeveless with a crewneck, creating a polished and professional piece. Wear by itself, paired with a cardigan or layered with the Tech Stretch shirt for a monochromatic set fit for tackling even the most challenging schedules.