The one-layer, highly functional climate fiber made of 100 % polypropylene transports moisture away from the skin and remains durably dry. In addition to this, polypropylene yarn is odorless without any chemical or other additives. The knitting is robust with increased elasticity. This provides for optimal fit and maximum freedom of movement. Soft yarns offer pleasant and breathable wearing comfort at all weather conditions. Versatile year-roundsports underwear for higher temperatures.