Threadfast Apparel Unisex Ultimate T-Shirt is made with4.2 oz. 100% sustainably sourced ringspun cotton 32 singles Ultra-soft feel Signature retail fit Sideseam construction Tear away label More Sustainable Cotton: 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.