This is a warm and cozy, heavyweight, roomy, and durable sweatshirt. Features of this shirt include: 80% cotton / 20% polyester (heather gray is 85% cotton / 15% rayon, heather denim and charcoal gray are 60% cotton, 40% polyester)| Fabric weight: 8.3 oz (midweight) Contrasting, complementary-colored drawstring and inner necktape Stitched slit inside kangaroo-style pocket and a small loop inside the hood for headphone usage Reinforced cuffs and waist Combed-cotton exterior, fuzzy fleece interior