8 oz.; 50% poly; 37.5% combed and ringspun cotton; 12.5% rayon; 30 singles; Solids & Colorblocks - 6.5 oz.; 60/40 combed and ringspun cotton/poly; 30 singles; Marbles - 6.5 oz.; 85% combed and ringspun cotton; 15% polyester; 30 singles; Grey Acid fleece is 6.5 oz.; 52% combed ringspun cotton; 48% poly; 30 singles; 1x1 rib neckline; Wide ribbed cuffs and waistband; Pre-laundered sponge fleece; relaxed fit; 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.;