I was apprehensive about the quality but I love them. Not quite high quality as brand names, but i did not pay as I would have for the brand name. Very pleased!
Pros
▶HIGH-PERFORMANCE SPORT FABRIC◀: 47% CATION, 47% POLYESTER,6% 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 Breathbale,great for exercising or as an undershirt; 4 -High Elasticity, allow four-way stretchy freely, give you more freedom of movement and excellent flexibility.
Cons
May not be suitable for those who sweat excessively