5 oz./yd²., (US), 8.4 oz./L yd (CA), 57/38/5 cotton/rayon/spandex; Lightweight performance fabric; Designed for movement; Retains shape over time; Side seam; Tear away label; Threadfast is a proud member of the Better Cotton Initiative (BCI). Cotton products from Threadfast support more sustainable cotton farming. Better Cotton is sourced via a system of mass balance; Every Threadfast product contributes to the Plant with Threadfast program;