Product Information: 95% Polyester, 5% Spandex. Dye-sublimation printing, colors will never be faded or peeled. It is used to react to your body,s temperature to keep you warm in the Winter and cool in Autumn. Note: Since the size is manually measured, please allow a 1cm-3cm dimension difference. As a result of the production batch, the light intensity photography effect will have a color difference.