Hard Hat Liner Garment Type Liner Outer Material Cotton Areas Covered Ears Head Adjustment Type Hook-and-Loop Outer Color Black Lining Material 100 Percent Polyester Fleece Features Elastic Fit Lightweight Warm Lining Number of Layers 2 Size Universal Closure Type Hook-and-Loop Attachment Type Hook-and-Loop Includes Liner only Cooling No Reusability Reusable Includes Neck Shade No Compatible with Grainger Part Number 34L311 35YY87 55JF11