4.2 oz., 100% sustainably sourced cotton; 30 singles, ringspun combed yarn; Tap the NFC chip with your smartphone to launch a website, app, video or social media post programmed with your unique experience; Target your market:  There are endless marketing and promo opportunities; Assemble your digital media:  Build out your digital experience, which can evolve over time; Program the chip:  Using the Threadfast NFC Connect app, easily program the chip in seconds; 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.