Puppia Authentic Combat RiteFit Harness, Navy, Medium Camouflaged pattern RiteFit harness provide pet owners with neck adjustability for easier fitting Size: Medium - Neck Girth (10" ~ 13"); Chest Girth (14" ~ 21"); approx. 8 ~ 14 lbs. Material: 95% Cotton / 5% Polyester (Shell), 100% Polyester (Lining) Available in Pink, Navy and Camouflage in sizes ranging from Small to Extra-Large For those dogs that fall in between sizes