Alpinestars Bionic Rib Support A high-performance, lightweight, ergonomically constructed guard for the ribs and kidneys, the Bionic Rib Support incorporates intelligent adjustment features to offer kart drivers a supremely comfortable, customized and supporting fit. Features Dual-density, strategically positioned, ergonomically shaped protectors incorporate fiberglass core and robust PE hardshell outer for excellent impact and shock dispersion. Central adjustable back panel with Velcro attachments offers complete range of fit allowing protection to be worn under or over garment. Fully adjustable front strap with a D-ring closure features elasticated section for comfort. Adjustable shoulder straps constructed from highly breathable 3D mesh and incorporating elasticated gusset for snug fit. Perforated rear for comfort and ventilation. Construction Technical, multi-layered main construction for optimized performance fit, protection and comfort: Advanced, soft poly-lycra inner lining means protection can be worn under or over garment. Dual composition padding incorporating 3mm high density poly-foam layer laminated with 4mm absorption EVA. Incorporates specially selected materials and components to offer crucial weight-saving performance. External 500 Dernier Cordura® outer for high resistance to abrasion. Dual-density, strategically positioned, ergonomically shaped protectors incorporate fiberglass core and robust PE hardshell outer for excellent impact and shock dispersion. Sizing
