Hiking, trail running Material: 68% Merino Wool 32% Polyester A merino wool long sleeve T-shirt designed for hiking. Medium thickness for year-round wear. The wool content provides warmth and odor resistance, while blended polyester fibers ensure lasting durability and faster drying. Merino wool maintains excellent thermoregulation even when wet, effectively reducing the risk of hypothermia. Blended with special polyester fibres, the fabric offers strong stretch and recovery for enhanced freedom of movement. One-piece front collar fits snugly around the neck for soft, pressure-free comfort. Zippered arm pocket for convenient storage of small essentials. Fit: Regular Fit