Women's racerback tank is printed on American Apparel TR308 Tri-Blend:
(50% Polyester / 25% Cotton / 25% Rayon) construction. "...Polyester retains shape and elasticity; Cotton lends both comfort and durability; addition of Rayon makes for a unique texture and drapes against the body for a slimming look..."
Women's tee is printed on American Apparel 2102 Fine Jersey Short Sleeve T-Shirt.
"...Made of 100% fine ring-spun combed cotton, this lightweight fine jersey is exceptionally smooth and tight-knit..."