Kurgo Core Cooling Vests For Dogs Senior & Mature Cat Diets Start strong to stay strong Start strong to stay strong with NutriFlex® One scoop at a time it's a great way to help dogs and cats enjoy an active Iams Healthy Senior with Chicken Cat Food is specially designed to help support your cat's ongoing vitality to be and feel their best at any age Constructed with lightweight polyester and air mesh inner SIZE CHART Size Neck (A) Chest (B) Back (C)* Small 16 in (41 cm) 19 27 in (48 69cm) 13 in (33 cm) Medium 19 in (48 cm) 26 35 in (66 89 cm) 20 in (50 cm) Large 23 in (58 cm) 30 39 in (76 99 cm) 23 in (58 cm) X Large 26 in (66 cm) 35 45 in (89 114 cm) 27 in (68