He only wanted luggage which he could take into the plane's cabin. Size 11s = shoes, size 11 (very large). His shoes were large, but soft enough to fold up and put into his pocket. A .22 = a calibre of bullet (5.5mm). "Daisies" refers to airgun pellets. "Cow pies" are cow dung. Some of them were soft, so if he stood on one it would not injure him. Others were frozen hard enough to twist his ankle if he stood on one.

size "11" shoes. Shoes sizes are different in the United States than in Europe and other places. Look inside your shoes and you can see the relative size differences if it has the sizes of three different countries. They are running shoes made out of mesh material that are very lightweight and pliable. It would not be a problem to fold the shoes over and force them to fit into the small carry on luggage bag. A .22 is a small hand pistol or revolver. It uses a .22 caliber bullet. A Daisy is a brand of b.b. pellet rifle used to shoot at targets or small animals. It is loaded with small steel pellets that are round and very tiny. Some modern versions use gas cylinders and plastic pellets. A cow pie or cow patty is droppings from a cow or when they defacate. If one is frozen you could slip on it and sprain your ankle. They were obviously in a cow field.

1. size 11 shoes 2. no idea 3. cow pies = the shit cows leave on the ground. In freezing weather they go solid, and you can turn an ankle if you're not careful. You're welcome to try eat one if you like.