Lightweight-&-highly-ventilated-the-Sequence-Kidney-Belt-offers-excellent-support-across-the-lower-back-&-torso-Thanks-to-its-ergonomic-design-this-belt-freedom-of-movement-&-flexibility-Features-Ergonomically-designed-for-maximum-stability-across-lumbar-spine-&-lower-back-Lightweight-&-flexible-lower-back-shell-construction-provides-the-perfect-balance-of-support-impact-protection-&-flexibility-for-highest-comfort-when-riding-The-TPR-CELL-structure-of-the-main-panel-is-flexible-to-allow-the-ease-of-movement-&-owing-to-the-nature-of-the-Cell-Structure-it-is-also-highly-breathability-&-allows-for-maximum-airflow-Perforations-in-the-Waist-Straps-back-main-elastic-bands-&-the-3d-mesh-behind-the-main-CELL-structure-provides-extra-ventilation