KEY FEATURES Downforce: Enables twisting motions but prevents the harness from riding up3D Countour Shape: Differently shaped harness segment for perfect fitInternal Flex Belt: An internal belt structure that offers freedom of movement and keeps your harness in place when riding unhooked. Line Concept The name VERTEX stands for 'Pro Approved Technology,' and represents a perfect fit and outstanding support for experienced riders. The ultimate wave shredding companion offers more freedom of movement than ever before thanks to its slimmer outline and extended soft foam edge. FEATURES & MATERIALS Extended Soft_EdgeCross_LinkTorsion Free ConstructionWrap_TecHPL_SliderPush Button Spreader BarBelt_GarageBar Keeper BeltKite_KnifePro_PadSplit_EdgeInternal Flex BeltDownforce3D Countour ShapeX_SpineInvisible_Seam.