US Patent 8695122 Adjustable facial protector

A method of adjusting an ocular gap size that includes donning a head gear assembly that further includes a rigid shell, and a facial protector connectively attached to the rigid shell further. The facial protector also includes an ocular gap having a gap size, such that the gap size is adjustable between a range of gap sizes. There is a plane defined by user's line of sight, wherein the line of sight remains unchanged when the gap size is adjusted, and adjusting the gap size to optimize the head gear performance.