4.3 oz., preshrunk 100% combed ringspun cotton; 30 singles; Heather colors are 60/40; Seamed collar; Shoulder-to-shoulder tape; semi-fitted contoured silhouette with sideseams; Double-needle sleeve and bottom hem; Oeko-Tex® Standard 100 Certified; Tear away label; Gildan's manufacturing process utilizes 45% renewable energy; Gildan’s Community Investment Program supports education, the environment, humanitarian aid and active living in the communities we do business in