This Is How Distance Should Feel Rogue Irons are the best combination of distance, accuracy and playability ever in a Callaway iron with our 360 Face Cup and VFT, multi-material construction, and Urethane Microspheres. 360 Face Cup and VFT Rogue irons combine our renowned 360 Face Cup technology with Variable Face Thickness (VFT) technology to expand the portion of the face that delivers fast ball speed. Face Cup employs a shallow, flexible rim around the perimeter of the face that flexes and releases at impact to increase ball speed. VFT also influences how the face itself flexes to promote more ball speed on off-centre hits. The combination of these two technologies promotes ball speed and distance. Tungsten Weighting for Optimal Flight...