Solid Colors: 100% Airlume combed and ring-spun cotton, 32 single 4.2 oz. Ash - 99% Airlume combed and ring-spun cotton, 1% poly Slubs: 50% poly, 37.5% Airlume combed, ring-spun cotton, 12.5% rayonRetail fit sideseamed Ribbed cuffs Tear away label BELLA+CANVAS uses sustainable manufacturing processes with Blue Sign certified dyes, efficient dye houses that adhere to the state of California's 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.