Billabong Bio Fleece Crewneck Sweatshirt Our throwback crewneck sweatshirt brings back classic comfort with an oversized fit and heavyweight cotton-blend fleece. Signature details like contrast piping and raglan sleeves make this a modern essential. 80% Cotton / 20% Polyester, 380gsm Heavyweight Fleece Our OG fleece is a more traditional throwback fit. Slightly oversized with wider shoulders and longer sleeves. Raglan sleeve. Contrast piping at armholes. Flocked print at chest. Rib cuffs and waistband. Materials 80% COTTON 20% POLYESTER