Nanxson Men's Short Sleeve Kitchen Uniform Chef Vest Shirts CFM0008 Black Material: 80% cotton blending, 20% Polyester; Cold water under 30 degree hand wash; Do not bleach, do not tumble dry, do not iron; Size: please refer to the size chart by the last image from nasisa ONLY; This is not regular US size! It is recommended that you choose one size up if you are not sure! :)Note: Please measure carefully before you choosing a size, especially the chest size!! Soft material for spring and summer; Good choice for chef and kitchen workers, with sweet absorbing function; Package includes: 1* Jacket; Any question, please feel free to contact us! Welcome to nasisa store!