The Zensah Skull Cap Beanie is an ideal addition to any runners, cyclists, or athletes wardrobe. The Skull Cap Beanie is made from unique Zensah Fabric. It is ideal for cyclists to wear under a helmet, runners to wear to help keep warm, or any athlete looking to preserve body warmth in the winter. The Skull Cap Beanie is also able to be used in the summer. Each Skull Cap Beanie has moisture wicking technology - meaning it helps to keep you dry. Unlike other beanies, the Zensah Skull Cap Beanie features moisture wicking technology helps prevent it from becoming damp and heavy.