Sievi MGuard Roller XL+ Wide Fit Safety Trainer – BOA, Metashield® Protection, FlexEnergy®The Sievi MGuard Roller XL+ is built for demanding conditions where comfort and protection cant be compromised. Featuring Metashield metatarsal protection, it absorbs up to 90% of impacts across the top of the foot. The FlexEnergy component at the heel captures kinetic energy and returns over 55% back to the wearer, reducing fatigue throughout long shifts. With the Sievi TractionPro sole, you get outstanding grip in varied conditions, while the Dual