The Columbia Youth Boys' Backcast Short is a durable short that gives your little adventurer the protection and Performance he needs. The 100% nylon fabric is lightweight and quick-drying, the mesh brief lining and elastic waistband team up for effortless comfort, and built-in UPF 50 protection works hard to block UVA and UVB sun rays for worry-free fun in the sun. These Are his new favorite shorts. Features of the Columbia Youth Boys' Backcast Short ADVANCED Technology: Columbia Youth Boys' PFG Backcast Short Features their signature UPF 50 fabric for protection against harmful UVA and UVB rays and skin damage. HANDY Features: These boys' fishing shorts feature two side pockets to keep your little one's small Items. ADJUSTABLE Features: A partial elastic waist provides a personalized Fit that allows for free movement during everything from river rafting to playground fun. CLASSIC Fit: 100% nylon and polyester fabric with quick-drying capabilities provide a classic Fit. OMNI-SHADE: Be safe and protected. Omni-Shade blocks UVA and UVB rays to help prevent sunburns and long-term skin damage. The tight weave construction with UV absorbent yarns block the full spectrum of harmful UV rays.