The-Feel3-7-back-protector-belongs-to-the-top-in-its-class-the-outstanding-balance-between-far-below-Level-2-impact-absorption-and-wearer-comfort-due-to-its-unique-construction-lightweight-components-and-ergonomic-features-are-second-to-none-The-patented-Tryonic-Vertebra-joint-system-connects-the-polypropylene-outer-shells-forming-a-rigid-impenetrable-shield-and-at-the-same-time-allowing-for-an-unsurpassed-freedom-of-movement-The-EPS-inner-core-ensures-maximum-energy-absorption-lt-4kN-energy-release-well-within-the-Level-2-norm-lt-9kN-energy-release-Another-unique-feature-is-the-patented-adjustable-belt-closure-T-C-F-Tryonic-Custom-Fit-ensuring-a-perfect-fit-for-every-rider-The-Feel3-7-is-also-one-of-the-most-comfortable-back-protectors-for-high-activity-or-hot-weather-riding-due-to-the-Coolmax-mesh-fabric-in-the-back-As-it-performs-up-to-minus-20-degrees-Celsius-the-Feel3-7-is-the-perfect-choice-for-a-variety-of-winter-sports-activities-as-well