If you like the option of layering to suit different weather conditions, a short-sleeved trail shirt is a great place to start. Constructed from insect bite-resistant, UPF50+ fabric, our Kiwi shirt delivers outstanding performance with the relaxed fit and comfort that's made Kiwi a popular choice for walkers everywhere. Classic outdoor shirt from Craghoppers. Kiwi II is a versatile trail shirt thats made for the outdoors, with short sleeves that are especially well suited to milder days. Constructed from insect bite-resistant polyester cotton with UPF50+ sun protection.