As temperatures dip & outdoor riding continues its often handy to have a thermal cap in your pocket to keep your head warm at the coffee stop or on the way home after an impromptu puncture stop. Shaped to contour the head & 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 its both warm & comfortable to wear under a helmet. Quick drying & moisture wicking this product has antibacterial properties & machine washes easily Flat lock seams ensure a comfortable fit Main Fabric Fibre Composition: 100% Polyester Limited lifetime warranty