The Kids Outdoor Research Helmetclava provides full protection and fits comfortably under a helmet. Made with Windstopper Soft Shell fabric on the face and front of neck, the Helmetclava blocks wind and is very water-resistant and breathable. This O.R. balaclava features soft, insulating Motion Fleece at the back of neck for extra warmth; and Thermodynamic fabric at the crown and ear panels to fit smoothly under your helmet without bulk and without blocking sound to your ears. Other features include laser die-cut holes for breathing port; chafe-free flat-seam construction; and an elastane trim. The Kids Outdoor Research Helmetclava keeps you warm in stormy conditions.