For quality boys uniform pants at great prices, shop Old Navy. Sturdy uniform pants and shorts from Old Navy can be found in short or long styles. Uniform pants for boys feature twill and khaki that will stand up to a boy's daily activities. Old Navy boys school uniform shorts feature plain or pleated to give him a sporty, fashion-forward look with quality fabric so he'll be "feeling good" when he steps out. Old Navy has the best deals on boys school uniform pants.