Wileyx Eyewear SP29B: The Wiley X Spear meets the MIL-PRF-32432 ballistic safety standards for optical quality and high mass/high velocity impacts. Despite the bold frame, the Spear is lightweight and can be worn comfortably for extended periods of time. The SPEAR\'s removable Facial Cavity Seal helps provide extra protection by preventing dust and dirt from getting into eyes.