Striketeam WfThe economy model of the Striketeam Series, the Striketeam WF has all the great performance and safety features of the other models, without the bells and whistles. The open cell vent foam provides filtered ventilation, allowing the humid air to escape, but prevent airborn particles for getting in. All Striketeam goggle components are heat and flame resistant, including the face padding and vent foam, and the lenses provide maximum impact protection