Ultra-fine fibers infused with plant-based oil for a smooth feel. Ultra Stretch fabric conforms to the body for a perfect fit. Lightweight, thermal base layer designed with HEATTECH technology to keep you warm without any bulk. Crew neck design with a T-shirt-style collar for easy layering. Special knit retains its shape even after repeated washes. 33% Polyester, 31% Acrylic, 21% Rayon, 15% Spandex ( 33% Uses Recycled Polyester Fiber ) Activewear Athleisure