Men's Fjallglim ShirtLightweight and warm trekking shirt with a wide fit. Made of functional polyester flannel which provides excellent insulation, expels moisture and dries quickly. This means the shirt is ideal for activities such as hiking and skiing, both as a base layer closest to the body and as a warm mid layer worn over under garments. Two breast pockets, one of which is zipped for storing valuables. The sleeves can be rolled up and kept in place with a button.