Skillbuilders Head protector, soft-top- A protective helmet should be worn to protect the special needs person from the dangers of physical activity, potential strike hazards (floor, wall, furniture, etc.), self-abusiveness, seizers and spasticity. The washable soft-top helmet protects the front, back and side of the head. Outer covering filled with shock absorbent material. Helmet comes with an adjustable Hook and Loop Material chin-strap to keep the helmet in place. Quantity: 1 Size: X-Small, Small, Medium, Large, or X-Large Color: Black Manufacturer: Fabrication Enterprises Options: X-Small (32-2200) UPC: 714905019714 Small (32-2201) UPC: 714905019721 Medium (32-2202) UPC: 714905019738 Large (32-2203) UPC: 714905019745 X-Large (32-2204) UPC: 714905019752 Sizing Guide Circumference X-Small: 16.75" - 17.75" Small: 17" - 18" Medium: 19" - 20" Large: 20.5" - 21.5" X-Large: 21.75" - 22.75"