Made of 100% Organic Cotton is 250g light weight all weather shirt. Water Printing outside and inside collar, which can let user iron without folding inside out. This is a super high quality breathable shirt for hot and cold weathers. Our T-Shirt Sizes are very European, and if you need any assistance please let us know, we can even call you to guide which size is yours, if you are confused. On call we may ask your Collar size, Waist and Chest circumference all in centimeters or inches.