When trekking, one often encounters several, annoying problems. First: the sun. Second: heat and sweat. Thirdly: far too much weight. You can counter all these problems with the Montura Trekking T-Shirt for kids. It offers UPF50+ UV protection, an extremely light weight of only about 70 grams and breathable stretch polyester jersey fabric with microstructured construction that is also super robust.