The altura raceline leg warmers the low profile altura raceline leg warmers are constructed with a dual density fabric and have a soft lining for optimum warmth for comfort and performance the raceline leg warmers have a pre shaped ergonomic design a silicone gripper at each end of the leg warmer makes sure they donrsquot unintentionally slip allowing you to focus on your riding altura raceline leg warmers features dual density fabric pre shaped ergonomic fit silicone grippe