4.2 oz., 100% combed and ringspun cotton; 32 singles; Black Mineral Wash is 4.4 oz., 100% Airlume combed ringspun cotton; Smooth surface- DTG ready; Crewneck; Sideseamed; Relaxed fit; Due to the specialized washing process, each shirt is unique; Tear away label; BELLA+CANVAS uses sustainable manufacturing processes with Blue Sign certified dyes, efficient dye houses that adhere to the state of Californiaís EPA regulations around waste water treatment and usage, and cutting facilities in Los Angeles that run on partial solar power with comprehensive recycling programs for paper waste and fabric scraps.;