Bionic Rib Support short sleeve Please see the Size guide

Please see the Size guide to ensure a proper fit according to the shell size for your helmet

moisture-wicking with an extended rear lumbar area for extended coverage

Description:

has a 3D ergonomic shape to ensure that it is highly flexible and vented and incorporates a technical Drystar® liner to provide superior breathability and exceptional wet weather performance

Alpinestars world leading electronic airbag safety system

Bionic Rib Support short sleeve Please see the Size guideDesigned for karting, the Bionic Rib Support provides low profile, race focused rib protection. Featuring dual density guards with a fiberglass core and PE hardshell, a robust 600D chassis, and 3mm high density foam laminated with 3mm EVA, it disperses impacts and reduces vibration while remaining breathable. Adjustable 3D mesh straps, a central chest belt, and an adjustable back panel deliver a secure fit under or over your suit.