they feature an ergonomic fit

ergonomic design for optimized performance with various riding positions

Engineered for adventure riders demanding year-round performance

Compatible with Alpinestars Bionic Neck Support (BNS)

with ultra-low levels of drag and increased stability

a dura air jersey long sleeve YGroup_3330526 they feature an ergonomic fitDesigned for optimal fit, comfort, and designed with casual style, the A Dura Air Long Sleeve Jersey offers high levels of performance and mobility, allowing riders to enjoy their mountain bike ride even more. The jerseys jacquard poly spandex construction provides effective moisture wicking, offering good levels of stretch, and making it your go to jersey for hitting the trails.