Blaklader Workwear Roughneck Kangaroo Vest, XLarge - 11-Ounce Cotton - Black Polyester 65%/Cotton 35% Imported Made from 11-Ounce polyester cotton blend. Lightweight and Durable. Two Chest Pockets with Safety Straps. Keeps objects in pockets from falling out when bending over. Four Nail Pockets on front and back. Lots of room for nails or what ever else is carried. Wide shoulders evenly distribute weight. Extended back for comfortable wearing.