Alpinestars BIONIC AIR Rib Protector

While Alpinestars engineered this specifically for the ergonomic demands of kart racing, its lightweight, low-profile design and impact-absorbing materials make it suitable for other activities requiring rib and kidney protection, provided the fit is appropriate.

Yes, the protector is designed with a soft poly-lycra inner lining and a slim profile, allowing it to be worn comfortably either under or over your primary racing garment.

The protector features a highly customizable fit system, including an adjustable back panel with hook-and-loop attachments and a front strap with a D-ring closure, allowing you to tailor the tension and positioning to your torso.

Not significantly. The shoulder straps are constructed from a breathable 3D mesh designed to promote airflow, and the overall lightweight construction helps prevent excessive heat buildup compared to bulkier hard-shell alternatives.

The core utilizes a dual-density construction: a fiberglass inner layer for structural integrity and a robust PE hardshell outer layer. This is backed by a 3mm high-density poly-foam and 3mm EVA layer to effectively absorb shocks and dampen vibrations.

This specific model is sized for youth. Please consult the Alpinestars size guide to ensure the dimensions align with the wearer's measurements before purchasing.