The ODLO Men\'s Performance Warm Baselayer Leggings come without seams to ensure they are as high-stretch as possible, which lets you stay comfortable and concentrate on your morning jogs.It\'s also easy to get a pair of ski socks and ski boots underneath thanks to the bonded ankle grazer style at the bottom.Odlo\'s Silver Ion Effect Anti-Odour control treatment ensures all day long freshness.Silver Ion Effect Anti-Odour control treatment Closely woven thermal fabricated lightweight CapriZoned Functionality of the fabricLaser cut sonic bonded leg cuffs Elasticated waistband  3D-contoured body fit No seamsFabric: 55% Polyester / 37% Polypropylene / 8% ElastaneIn short, the Performance Warm Thermal Tights are anatomically designed for the unique requirements of the person wearing them and are ideally placed as a great thermal base layer for many sports where comfort is essential and thermal defence a pre-requisite.Odlo manufacture nearly all their garments in their own factories within the EU.