The RST Contour Plus Hex Shoulder Protector CE Level 2 offer a fantastic amount of flexibility and comfort without compromising protection.Lightweight constructionFlexible materialsComfort and freedom of movementSuperior energy absorptionThe RST Contour Plus Hex Shoulder Protector CE Level 2 combine lightweight construction with superior energy absorption which consists of a mixture of a thermally formed Bio foam and a 3D spacer plastic.HPS is a patented impact protection technology developed by Powertector which is the most advanced protection system with a superior energy absorbing function and flexibility. HPS consists of an intelligent three-dimensional spacer plastic and thermally formed Bio PE Foam which has a flexible and lightweight construction for outstanding comfort and freedom of movement.