So many work boots really feel like weights around the feet, but this 1’s bought a flexible ERGO midsole that is 30% lighter and more shock-absorbing than standard EVA. Once more—lighter, comfier, and safer. Males’s steel toe work boots offer two forms of protection: impact resistance and compression resistance. Ariat https://www.fcc.gov/fcc-bin/bye?https://en.wikipedia.org/wiki/Comfort