The Sweep XC takes the best of the Sweep R, adds Bell's Variable Position Visor which offers 15 degrees of on-the-fly vertical adjustment. Bell's GPS fit system holds the helmet comfortably in place. Fusion In-Mold Microshell and bottom wrap with internal reinforcements complete the package for the ultimate in lightweight protection. CPSC certified. Matte blue/silver, matte black/carbon, ice blue/silver, orange/black or white/red. S (51-55cm) M (55-59cm) or L (59-63cm). Size and color selection may be limited.