Look your best in the Columbia Sportswear Boys' Backcast Shorts 5 in. They are made of 100% nylon. The Omni-Shade⢠UPF 50 guards against skin damage, blocking UVA/UVB rays to keep you protected from the sun, and their quick-drying treatment allows garments to dry faster by helping moisture escape from the fabric, so you stay comfortable while being active. The interior mesh briefs offer breathability and comfort. Columbia Sportswear Boys' Backcast Shorts 5 in Red Spark, Small - Boy's Casual Bottoms at Academy Sports