Size S Small Unused condition Adjustable straps Approx Measurements starting on smallest adjustment Neck area is 6" about 12" around Chest area is 8" about 16" around 4 points of adjustment provide a perfect fit every time - Leather handle helps you lift and assist them through obstacles along the way like crowds and steep terrain - Includes 2 D-rings - one at front for training and one at back for expert explorers