4 8 oz /yd² (US) 8 oz /L yd (CA) 60/40 ring spun cotton/recycled polyester 26 singles The ultimate tee fabric is 15% heavier than most basic 30’s tees making for a more substantial garment Retail fit Side seams Tear away label RFID Enabled   Select colors are offered with digitally enabled RFID tags unlocking endless possibilities for tech savvy marketers and event planners Compatible with all smart phone platforms Recycled poly helps reduce water usage energy consumption and CO2 emissions when producing this garment Recycled polyester fiber in this blend is made from recycled content including plastic bottles 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