Developed with input from Giant Factory Off-Road Team pros, his all-new trail and gravity shoe is designed for uncompromising performance on aggressive terrain. Designed with Giant&&';;s Motion Efficiency System, Shuttle blends clip-in pedaling efficiency with the rugged protection and traction you need for nailing new lines or ripping DH runs. Sole: MES (motion efficiency system), nylon ExoBeam(TM) Tread: Full-coverage rubber tread with ExoFlex zone clip-in pedals Foot bed: TransTextura Plus(TM) antibacterial foot bed Ventilation: Seamless hydrophobic material provides protection and ventilation Upper: ExoWrap(TM) independent arch wrap Closure: Lace enclosure, a mid-cuff design wide VelcroA(R) strap Extra: ExoFlex(TM), a flexible toe box