Cycling Skull Cap Bike Under Helmet Winter Thermal Hat Sports Beanie Stretchable Tight - Snug Fit Head Warmer – Ideal as Running Hat, Cycling Skull Cap or Sports Beanie  Breathable Lightweight  & soft skull cap, can be worn under your helmet in cold winter Polyester also helps wick sweat away from the head essential for dramatic weather changes Seams are also flat lock stitched to help minimise helmet rub Wind resistant technology that won't slow you down when things start heating up 90% Polyester and 10% Spandex blend One Size fits all - Circumference to fit 56-62 cm head Notes: Colours may slightly different because of camera light reflections and screen displays. Feedback If the item does not come up to your expectations please do not worry just contact us through eBay message service and we will be happy to sort out the matter as we believe giving negative feedback does not really solve  any problems. We are always on your side. Happy Shopping :)