Mens/Unisex and Youth shirts are printed on a Unisex Fit, 6.1oz. 100% preshrunk cotton tee. Womens Fit are printed on an Anvil 4.5 ounce 100% ring spun combed cotton T-Shirt. Semi-fitted silhouette offers a fitted cut for our female customers. The inks used are a water-based eco-friendly ink developed by Brother to hold up well under normal washing and drying. It is similar to water-based screen printing inks that they give a really soft hand feel and wash well.