• Cycling cap under helmet with thin fleece lining inside that provides effective protection against cold on ears and head, keeping the wind out. • Ideal for bike rides and running in windy and cold conditions, allowing less sweating under the helmet. • Stretch mesh fabric adapts to different head shapes, lightweight and easy to fold for storage in your pocket or bike bag. • Essential accessory for cycling, skiing, running, hiking, jogging, and other outdoor activities on cold days. • Special design with glasses hole that increases comfort for glasses wearers. • One size fits head circumference from 52 cm to 60 cm.