4.8 oz., 60% cotton, 40% recycled polyester, 26 singles; Optimal Weight: The ultimate tee fabric is a 4.8 oz/165 gsm 60/40 cotton/poly blend. It is 15% heavier than most basic 30?s tees, making for a more substantial garment. The perfect weight for a fashion tee.; Repreve? Recycled Polyester: Our ultimate tee collection uses a polyester fiber made from recycled content including plastic bottles. Compared to virgin fiber, our recycled poly consumes less petroleum, emits fewer greenhouse gases and conserves water and energy.; Eco-Dyed Heathers: Colorzen? is a cutting-edge technology that allows cotton to be dyed using up to 90% less water, 75% less energy and 95% fewer chemicals. Our heathers use approximately 30% colorzen? cotton.; Retail fit; Side-seamed; Tear away label ; More Sustainable Cotton: By choosing this collection, you?re supporting responsible cotton production that optimizes water use, improves soil health and preserves natural habitats.; 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.