Reflex fabric with a 10% polyamide infusion stretches with the most intense activity.
Fabric | ReflexCotton
90% Combed Cotton // 10% Polyamide
Omni Essentials | Blue
Good stringer tank. Good stretch, feel, fabric. All around a satisfied purchase. I'm about 5"11 185lbs and i got a LG and it fits well, medium probably would have as well.