House Ravenclaw - Teepublic Unisex Lightweight Crewneck Sweatshirt 100% Cotton 20 singles face yarn twill. Split stitch double needle sewing on all seams. 100% Cotton 20 singles face yarn twill. Neck Tape to prevent stretching. Split stitch double needle sewing on all seams. 80% Cotton 20% Polyester. Pre Shrunk to minimize shrinkage post wear. 8.5 ounces, the perfect weight to carry a graphic without feeling too heavy. Made in Pakistan in safe, friendly fair wage factory. Design by machmigo