Icebreaker W260 ZONE LS HALF ZIP with optimised zones serves as a warm base layer for active lifestyle. It is in ideal functional top for skiing, mountaineering or other physically demanding winter activities. This warm, breathable, and odour resistant T-shirt was made with fitZONE technology that combines merino wool with LYCRA in order to control the body temperature during physically demanding activities. High-wear areas like elbows and forearms are reinforced with merino/polyester panels for improved durability. Raglan sleeves, inset under-arm panels, and flat seams allow for more freedom in movement and eliminate skin irritation or chafing.