Race Ultra Light Headband Is A Thin Cross Country Ski Headband Made For Training And Competition. It Is Lightweight And Best Suited For Mild Days Or For High-Intensity Training, With A Mesh Construction That Provides Good Ventilation While Maintaining Some Insulation Properties. Thin, Lightweight, Super-Stretchy Training Headband. Optimal Properties For High-Intensity TrainingFeatures:- Optimal Ventilation- For Training And Racing- Lightweight, Super Stretch Fabric- Optimal Ventilation- Flat Seams For Optimal ComfortSpecifications:- Fabric: Main Fabric: 88% Polyester/ 12% Elastane- Net Weight (Kg): 0.03