5.0 Oz., 100% Combed Ringspun Cotton 1x1 Baby Rib; Heather Is 88 / 12 Combed Ringspun Cotton / Polyester; White Is Sewn With 100% Cotton Thread; Double Needle Ribbed Binding On Neck, Armholes And Bottom Hem; Easytear™ Label; Machine Washable / Tumble Dry Low; Sizing: Xs (0-4 Lbs.), S (5-10 Lbs.), M (11-23 Lbs.), L (24-45 Lbs.), Xl (46-70 Lbs.), 2x (71-85 Lbs.), 3x (86+ Lbs.); For Breeds With Larger Chests, Purchase One Size Up From Weight Range.; Note: Bleed Resistant Ink Is Recommended When Printing Our Camouflage Products; Fit: Canine