This Threadfast Apparel Unisex Impact Polo is made from a lightweight performance fabric blend of 5 oz., 57% cotton, 38% rayon, and 5% Spandex. It's designed for movement and will retain its shape over time. It also features a side seam and tear away label. As a proud member of the Better Cotton Initiative (BCI), Threadfast supports more sustainable cotton farming and sources its cotton products via a system of mass balance.