Made of pre-shrunk 100% cotton jersey knit. 6 OZ. (Sport Grey is 90/10 cotton/polyester) Contoured welt collar and cuffs. Three woodtone buttons on a clean-finished placket with a reinforced box. Double needle bottom hem, Quarter-turned. Best Quality Fabric, Soft and Comfortable. This high quality product can be washed as you wish and exactly as you always wash your other cloths. From years of experience, we recommend to wash it inside-out with cold water and no dryer for best results. Adult Men's Sizes. For best fit and easy way to choose your perfect size please refer to the picture we've created with the size chart and guide. Do not confuse with the size chart Amazon offers- It's different than ours! If you need any more information or have any concerns or questions, please don't hesitate and contact us. We are always here for you! Designed and printed in the USA. Cool Men's Polo Sport T Shirt with the embroidery print of Coast Guard. Nice Men's regular fit t shirt made of 100% Cotton. Best Quality Fabric, Soft and Comfortable. Adult Men's Sizes- For best fit