2026 Youth Fluid Portl Jersey Size:XL The lightweight SM5 helmet features

The lightweight SM5 helmet features a thermo-injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight

This ergonomic

The durable 600D polyfabric chassis and reinforced seat panels are combined with extended stretch corduroy and an ergonomic 3D pattern for unparalleled mobility

AI crash detection with six sensors deploys in milliseconds to reduce up to 95% of impact energy

consists of a lens

2026 Youth Fluid Portl Jersey Size:XL The lightweight SM5 helmet featuresExpertly designed for young off road riders, the 2026 Youth Fluid Portal Jersey leverages Alpinestars' premier motocross technology to deliver a total performance look and relaxed fit. The lightweight, moisture wicking polyfabric construction features an ergonomic cut and an extended rear for superior mobility and coverage on tough terrain. Optimized for riders aged 5 to 15, this jersey ensures breathable comfort and durability for all day riding.