Featuring all the benefits of the Phoenix series, with all metal removed. 100% airport friendly and metal free, Phoenix 6C EH MET is perfect for FIFO or anyone regularly moving through metal detectors. With additional Poron@#8482; XRD@#8482; Extreme impact met guard protection, and tested to Electrical Hazard ASTM F2413 standards, this boot is all you need in a 6 inch lace up.