Smith Optics Elite Outside the Wire Turbo Fan (OTW) Goggles Smith Optics Elite Outside The Wire Turbo Fan (OTW) Goggles: Tan 499 Frame/Clear/Gray Lenses Two speed fan options to adjust to your activity level, Easy on/off button can be operated with gloves on Operates with two AAA batteries and has Auto shut off to preserve battery life Water and dust resistant battery housing and Low profile fan housing does not interfere with brim of helmet Scratch resistant