The SkullTec Gel Cap is designed to fit quickly and easily beneath any standard headgear for an added edge in protection. SkullTec uses advanced gel technology, proven to reduce the impact of punches and provides extra impact dispersion with every blow. Unique Gel Technology has the ability to recover instantly after impact to help protect against additional punches. It is constructed with a lightweight, breathable compression fabric and gel inserts that can be easily removed for washing. The SkullTec Gel Cap can also refrigerated or stored in an ice chest to provide an instant cool down, post work-out. Protect Yourself At All Times. SKULLTEC.