The basic front print t-shirt is combed cotton, 180 gsm. It is a kind of special cotton. It has been subjected to a specific treatment before being spun into yarn. It gives the best results and is made of soft, cool, and comfortable regular cotton. GSM (grams per square meter) is a measure of fabric weight. It describes the weight of the tee. For lightweight/summer tees, look for a GSM of 180 or under. For heavyweight/winter tees, look for a GSM of over 220. For versatile/all-season tees. But this kind of GSM depends on country-wise requirements. So that you can customize your T-shirt to your requirements. Our slogan is to grow the green world. As like belowslogan.