5.1 oz., 100% combed ring-spun jersey, 24 singles; Pre-washed fabric; 1x1 ribbed collar; Side seamed; Tearaway label; Next Level Apparel has a recycling program for all fabric waste collected from the cutting process. All fabric scraps are sent to a recycling company that cleans and processes them to be used for cushion filling, rugs, etc. To date, 24.3M pounds of fabric have been recycled.