The function of this super popular base layer style in Finland is brilliantly simple: *In cold conditions*, a mesh shirt combined with the next clothing layer creates an excellent insulating air layer and wicks moisture away from your skin to the outer layers. *In warm conditions*, worn under airy summer clothing, the mesh shirt promotes airflow, ensuring breathability and preventing clothing from sticking to your skin. The polypropylene used in this garment is an excellent material for base layers: it withstands wear and washing exceptionally well, and its silver ion treatment resists odor formation. Perfect for hiking, construction work, paddling, running, cyclinganytime you need a truly versatile base layer! - Material: Silver-ion-treated polypropylene mesh knit - Machine washable at 60°C - Made in Finland Note: This product was previously known as the Stretchmesh Shirt. Despite the name change, it remains the same product as before.