• impromptu puncture stop
• Shaped to contour the head and long at the neck providing a comfortable fit under a helmet as well as maximum coverage
• Brushed Isoler thermal Roubaix fabric has a 4 way stretch to mean it's both warm and comfortable to wear under a helmet
• Quick drying and moisture wicking, this product has antibacterial properties and machine washes easily
• Flat lock seams ensure a comfortable fit
• Main Fabric Fibre Composition: 100% Polyester
• Limited lifetime warranty