youth bionic rib protector black red YTag_3766924 the Supertech R Vented Boots

the Supertech R Vented Boots are Alpinestars motorcycle boots that deliver track‑ready protection and maximum airflow for summer sport riding

Featuring an innovative hybrid frame construction consisting of a flexible composite over-injected on a high performance fiber reinforced polymer

As we know

and stretch panels on crotch

youth bionic rib protector black red YTag_3766924 the Supertech R Vented BootsA high performance, lightweight, ergonomically constructed supportive guard for the ribs, the Youth Bionic Rib Support incorporates adjustable shoulder straps, a central chest belt and an adjustable back panel to offer kart drivers a supremely comfortable, customized and supporting fit.