Termo Original Light is best suited to demanding physical activities at warm temperature ranges. Suitable for skiing, running, cycling and hiking. The unique ribbed design circulates warm air helping toregulate the temperature. TermoFresh permanent antibacteria treatment ensures you stay fresh and comfortable. Flatlock seams for extra comfort and reduced chafing. Made from high quality spun polypropylene these garments are lightweight with very high moisutre wicking values and are fast drying.