Item Size Weight Packaging KBC21800 Small/Medium Boys 40-75 lbs pk17 KBC21800CS Small/Medium Boys 40-75 lbs Case of 4 KBC21801 Small/Medium Girls 40-75 lbs pk17 KBC21801CS Small/Medium Girls 40-75 lbs Case of 4 KBC21802 Large/X-Large Boys 70-125 lbs pk13 KBC21802CS Large/X-Large Boys 70-125 lbs Case of 4 KBC21803 Large/X-large Girls 70-125 lbs pk13 KBC21803CS Large/X-Large Girls 70-125 lbs Case of 4