Allmade Women's Tri-Blend Muscle Tank AL2020Feel your impact in this crazy-soft sustainable muscle tank that has had its total carbon footprint neutralized through Carbonfree certification and uses an equivalent of up to 6 recycled plastic water bottles.,4.2-ounce, 50% recycled polyester/25% organic ring spun cotton/25% modal, 30 singles,1x1 rib knit neck,Back neck taping,Relaxed fit,Side seams,Recycled tear-away label,A C-FREE ProductWe start by reducing the product's impact by switching to at least 50% preferred materials. We then neutralize the total carbon footprint of each product in the C-FREE program-from the product's initial raw materials to its end-of-life-through Carbonfree certification. This certification purchases third-party, verified carbon offsets through Carbonfund.**