The Samshield Premium 2.0 Standard Fit Riding Hat Liners are designed to fit either the Samshield Shadowmatt 2.0 or Premium 2.0 helmets. The Premium 2.0 Liner leaves a space at the front of the forehead allowing airflow through the front of the hat for exceptional comfort throughout wear, without compromising on stability. It can be quickly and easily clipped into the hat making it simple to remove and wash when needed.