Poly cotton blends are slightly softer than t-shirts made entirely of cotton. You won't find much polyester growing outside because it is generated chemically; at least, not the kind that will be woven into your t-shirt. Compared to 100% cotton t-shirts, polyester is frequently more heat-, water-, wrinkle-, and tear-resistant. Additionally, they increase the t-stretch, shirt's which feels great. IOur t-shirts is of 140 GSM thicknes..