The-Thor-Quadrant-is-one-serious-roost-guard-Developed-to-provide-maximum-coverage-with-minimal-restriction-the-Thor-Quadrant-features-enhanced-chest-&-back-panels-that-contour-the-body-in-the-riding-position-The-ergonomic-design-incorporates-our-legendary-boxed-rib-design-that-provides-both-rigidity-&-natural-air-channels-This-unique-approach-maximizes-airflow-without-sacrificing-strength-Fits-most-riders-45-90-kg-Features-Energy-absorbing-high-density-foam-padding-Adjustable-side-buckle-closure-system-Free-floating-shoulder-system-Removable-arm-guards-Fully-padded-neck-roll-for-comfort-Optimum-airflow-passages-Refined-chest-&-back-contours-for-a-perfect-fit