This functional T-shirt, made with recycled polyester jersey fabric and Deltapeak™ technology, enhances comfort on hot summer hikes and walks. The Deltapeak™ fabric is quick drying and highly breathable, so your young explorers stay dry and cool as temperatures rise. And a UPF 15+ rating means they're protected from UV rays. The fabric’s high-density construction ensures excellent resistance to snagging and pilling, helping this top last season after season. For lightweight comfort during warm-weather hikes, the kids' Mix-Up T-shirt is your mini adventurer's new go-to.