Helmet with sliding facilitator arranged at energy absorbing layer

1. A helmet comprising:

an energy absorbing layer;

an attachment device provided for attachment of the helmet to a wearer's head; and

a sliding facilitator provided on an inner side of the energy absorbing layer;

wherein the sliding facilitator is configured to allow sliding between the attachment device and the energy absorbing layer during an impact; and

the sliding facilitator is formed from a low friction material and is integrated in the inside surface of the energy absorbing layer facing the attachment device.

2. The helmet according to claim 1 , wherein the low friction material is at least one of PTFE, ABS, PVC, PC, Nylon, a fabric material, or a combination thereof.

3. The helmet according to claim 1 , wherein the attachment device is adapted to entirely cover the upper portion of the wearer's head.

4. The helmet according to claim 3 , wherein the attachment device comprises a cap.

5. A helmet according to claim 1 , wherein the attachment device comprises tightening means for adjustment of the attachment to the wearer's head.

6. A helmet according to claim 1 , having one energy absorbing layer formed from a polymer foam material or a honeycomb structure.

7. A method of manufacturing a helmet according to claim 1 , comprising:

providing an energy absorbing layer that has been formed in a mold; and

providing a sliding facilitator on an inner side of the energy absorbing layer;

wherein the sliding facilitator is formed from a low friction material and integrated in the inside surface of the energy absorbing layer facing the attachment device.