The ZANheadgear SportFlex(tm) Series provides comfort and warmth. We've taken our tried and true bandana with hook & loop on ends to securely close- and added our best selling fabrication. Fits comfortably underneath helmets or alone while providing coverage of the face and neck. Fabric is brushed for ultimate softness and has a 4 way stretch for customizable fit. 50+ UV Protection. Materials: 87% Polyester, 13% Elastane.