Our Norton Unisex Sponge Fleece Crewneck Sweatshirt is crafted from premium 8 oz., 52% airlume combed and ringspun cotton and 48% polyester (32 singles) for a luxuriously comfortable feel. The Grey Acid variant features 6.5 oz., 52/48 combed and ringspun cotton/poly. Triblends offer 8.2 oz., 50% polyester and 37.5% airlume combed, ringspun cotton. Marbles are made of 6.5 oz., 85% airlume combed, ringspun cotton and 15% poly. A retail fit and unisex sizing combine with 1x1 ribbed cuffs, waistband, and raglan sleeves--all sideseamed--for a uniquely superior garment.