18% Nylon,82% SPANDEX. The fabric is specially designed for sport with 4 salient features: (1)Moisture Wicking & Quick Dry, keep you dry all the time; (2)Ultra-soft and Skin-friendly, no pain of friction during exercise；(3)Light Weight and Breathable great for exercising or as an undershirt; (4)High Elasticity, have a 4-way stretch for freedom of movement. These characteristics make this t-shirt highly desirable for working out.
