We decided to create a truly heavyweight and super warm sweatshirt with two layers of thick, 13 oz. 100% pre-shrunk Cotton Fleece and gusseted armpits for freedom of movement. Snap closures will keep your neck and chin warm while the oversized hood can fit over a hard hat or helmet. Specifications 2 – 13 oz. Layers of Pre-washed Cotton Fleece 100% Cotton Oversized, 3-Piece Hood Gusseted Arms Vertical, Recessed Handwarmer Pouch Snap Collar Garment Washed