Yes, you can. Walmart offer many kinds of eyeglasses, including the kid's sports glasses. Compared with other eyeglasses stores, the price in walmart is relatively cheap. And the quality there is good which can be reputable. Many designs are waiting for your choice. You can just go and buy the sports glasses for your kid.
Well,as a matter of fact,there are a lot of sports sunglasses a various types for kids available at walmart stores. Among those sunglasses, many are designed for sports utilities. And basically, they are relatively cheap and you have lots of options to choose from. However, you should bear in mind that sometimes some sizes are not suitable for kids, so you had better take your kids when going to buy them.