It's heavy! The fabric is made of American fleece in 80% Cotton, 20% Polyester and has a weight of 520gr (1.2lbs/sgm). The hood is lined with thermal waffle fabric in contrast color and is loaded with lots of "goodies" such as felt application on chest and arm, GASP symbol on back of hood, 2X2 ribbed details, etc, etc. It's the heaviest GASP hood ever made! This is one good looking, comfortable, durable hoodie.