Description Lightweight, adjustable helmet is ventilated for air circulation. Provides comfortable protection for persons with head injuries or seizures. The small helmet has 7/8in (2.2cm) thick foam padding and the medium helmet has 5/8in (1.6cm) thick foam padding. Not intended for small children. Head Circumference Small 21-1/4in to 22in (54 to 56cm) Medium 23in (59cm).
