Details Some days, you want minimal coverage with optimal warmth, and that's where the Smartwool Active Fleece Wind Training Headband comes into play. Stay comfortable on your morning run- thanks to the windproof front panel- and enjoy the super-soft warmth of soft-brushed, responsibly sourced Merino next to skin. This headband will help you balance comfort and performance in any weather. Material 47% Recycled Polyester, 38% Merino Wool, 15% Elastane Main Body 85% Nylon, 15% Elastane Overlay Fit One Size Details Soft-brushed Merino next to skin and recycled polyester against the elements to balance comfort and protection Windproof front panel for increased protection (1CFM rating) Reflective elements for visibility in low-light conditions Weight Lightweight Smartwool Active Fleece Wind Headband