GripGrab Merino-Wool Polyfibre Lightweight Under-Helmet Liner Beanie Skull cap Thermal Breathable Cycling Running Hat

The Best of Both Worlds - Blending the fantastic temperature regulation and wicking properties of soft and insulating merino with the longevity and easy-care benefits of polyester Fits comfortably under your helmet - This cycling skull-cap is made to fit comfortably underneath your cycling helmet; The thin cap is an ideal insulating and protective layer Breathable - Designed for use in winter as a protective layer against cold, the soft and comfortable fabric blend of this under-helmet cap is highly breathable and allows heat to dissipate Insulating - Made from insulating and protective fabrics, this helmet-liner will help to trap body heat and keep you comfortable when you cycle in cold weather conditions Comfort - The soft, comfortable and quick-dry fabric used for this sports headwear is ideal to keep you warm and insulated when taking part in your sport in the winter months