Manufacturer's Product Description:
Feel your impact in this crazy-soft sustainable tee that uses an equivalent of up to 6 recycled plastic water bottles. All yarn is spun, knit, fabric dyed and finished in the U.S.A. 
4.2-ounce, 50% Repreve® polyester from recycled plastic bottles/25% organic, US-grown cotton/25% Tencel™ Modal, 30 singles
25% Repreve® polyester from recycled plastic bottles/25% black polyester/25% organic, US-grown cotton/25% Tencel™ Modal (Aluminum Grey, Vino Red)
1x1 rib knit neck
Shoulder to shoulder taping
Side seams