Hab Helmet - Royal Blue, x-small Ideal for individuals who do not need full head coverage. The open top is very cool. A band of 5/8'' foam surrounds the head at the forehead level. It extends down on to the temporal area on each side of the head and on the occipital area at the back. The top has adjustable crisscross straps to help stabilize the helmet on the head. Standard colors are Casa Tan, Royal Blue and Pink. Custom colors are available for an additional charge and are nonreturnable. Sizes: XXSmall-- A. 18 1/4'' B.13'' C. 9 1/2'' XSmall-- A. 19 3/4'' B. 14 1/4'' C. 10'' Small-- A. 21 5/8'' B. 15'' C. 10 3/4'' Medium-- A. 22 1/2'' B. 15 1/2'' C. 11 1/2'' Large-- A. 23 5/8'' B. 17'' C. 12 1/2'' XLarge-- A. 24 3/8'' B. 17 1/4'' C. 13'' XXLarge--A. 26 1/4'' B. 18 3/4'' C. 14'' Product photo may not exactly match the product offered for sale. Please refer to the product description.