The Wind Proof Hinged Balaclava has an extra layer of wind-protectant fabric on mouth and neck panel. The unique hinged design allows for use as a neck gaiter. Winter Gear from Klein Tools provides ultimate warmth options so you can focus on getting the job done. Stretchable one-piece fleece for ultimate warmth. Extra layer of wind-protectant fabric on mouth and neck panel. Unique hinged design allows for use as a neck gaiter