Protect your head with the 2nd Skull. Scientifically engineered with impact-absorbing technology for superior protection. Our fabric blend offers a thin and comfortable fit that conforms to your head while moisture-wicking fabrics keep you cool.

Protect your head from impact with 2nd Skull. Scientifically engineered to absorb impact under pressure, this cap reduces impact to your head with proprietary, patented XRD technology.
Protect your head from impact with 2nd Skull. Scientifically engineered to absorb impact under pressure, this cap reduces impact to your head with proprietary, patented XRD technology.
Protect your head from impact with 2nd Skull. Scientifically engineered to absorb impact under pressure, this cap reduces impact to your head with proprietary, patented XRD technology.
Protect your head from impact with 2nd Skull. Scientifically engineered to absorb impact under pressure, this cap reduces impact to your head with proprietary, patented XRD technology.