KRYPTEK SONORA HOODIE HIGHLANDER MEDIUM The Sonora Hooded Shirt is perfect for mild to hot weather conditions, designed to keep you out of the sun. Kryptek Cool Touch technology offers enhanced perspiration evaporation to wick moisture and keep the skin cool while you work. The Sonora's exceptional breathability and UPF 50 make this shirt a great addition for any hot weather, high performance collection.